{"id":1166,"date":"2025-09-05T12:58:18","date_gmt":"2025-09-05T16:58:18","guid":{"rendered":"https:\/\/znet-hosting.cl\/blog\/?p=1166"},"modified":"2026-10-18T09:55:37","modified_gmt":"2026-10-18T12:55:37","slug":"como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting","status":"publish","type":"post","link":"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/","title":{"rendered":"Error establishing a database connection en WordPress: soluci\u00f3n"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Respuesta corta:<\/strong> el error aparece cuando WordPress no logra conectarse a su base de datos. La causa m\u00e1s com\u00fan son datos de acceso incorrectos en <code>wp-config.php<\/code> (nombre de la base, usuario, contrase\u00f1a o servidor). Rev\u00edsalos primero; si est\u00e1n bien, prueba la conexi\u00f3n con un script, repara la base de datos y revisa si el servidor de base de datos est\u00e1 ca\u00eddo.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Tabla de contenidos<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#1_%C2%BFQue_significa_este_error\" >1. \u00bfQu\u00e9 significa este error?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#2_Causas_habituales\" >2. Causas habituales<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#3_Antes_de_tocar_archivos_haz_un_respaldo\" >3. Antes de tocar archivos: haz un respaldo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#4_Paso_a_paso_para_resolverlo\" >4. Paso a paso para resolverlo<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#41_Revisa_wp-configphp_el_paso_mas_frecuente\" >4.1 Revisa wp-config.php (el paso m\u00e1s frecuente)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#42_Prueba_la_conexion_con_un_archivo_testphp\" >4.2 Prueba la conexi\u00f3n con un archivo test.php<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#43_Repara_la_base_de_datos\" >4.3 Repara la base de datos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#44_Reemplaza_los_archivos_principales_de_WordPress\" >4.4 Reemplaza los archivos principales de WordPress<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#45_Revisa_plugins_tema_permisos_y_recursos\" >4.5 Revisa plugins, tema, permisos y recursos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#46_Si_nada_funciona_contacta_a_tu_hosting\" >4.6 Si nada funciona, contacta a tu hosting<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#5_Como_evitar_que_vuelva_a_pasar\" >5. C\u00f3mo evitar que vuelva a pasar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#Preguntas_frecuentes\" >Preguntas frecuentes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#Sigue_leyendo\" >Sigue leyendo<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%C2%BFQue_significa_este_error\"><\/span>1. \u00bfQu\u00e9 significa este error?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#8220;Error establishing a database connection&#8221;<\/strong> (error al establecer una conexi\u00f3n con la base de datos) significa que los archivos de WordPress no pueden conectarse a la base de datos MySQL o MariaDB. Como WordPress depende de la base de datos para cargar entradas, p\u00e1ginas y configuraciones, el sitio queda inaccesible hasta que se restablezca la conexi\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Causas_habituales\"><\/span>2. Causas habituales<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Datos de acceso incorrectos (nombre de la base de datos, usuario, contrase\u00f1a o servidor).<\/li>\n\n\n\n<li>Base de datos corrupta o tablas da\u00f1adas.<\/li>\n\n\n\n<li>Servidor de base de datos ca\u00eddo o sobrecargado.<\/li>\n\n\n\n<li>Archivos principales de WordPress da\u00f1ados.<\/li>\n\n\n\n<li>Plugins o temas que provocan errores graves.<\/li>\n\n\n\n<li>Permisos insuficientes del usuario de la base de datos.<\/li>\n\n\n\n<li>L\u00edmite de recursos del hosting superado por un pico de tr\u00e1fico.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si el error se repite cada vez que tu sitio recibe m\u00e1s visitas, el problema puede ser el hosting y no WordPress: un <a href=\"https:\/\/znet-hosting.cl\/hosting-wordpress\/\">hosting WordPress<\/a> con cach\u00e9 de servidor reduce mucho las consultas a la base de datos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Antes_de_tocar_archivos_haz_un_respaldo\"><\/span>3. Antes de tocar archivos: haz un respaldo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de cualquier cambio:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Haz una copia de seguridad completa: archivos y base de datos. Te explicamos c\u00f3mo en <a href=\"https:\/\/znet-hosting.cl\/blog\/como-realizar-un-respaldo-en-cpanel\/\">c\u00f3mo hacer un respaldo de tu sitio web<\/a>.<\/li>\n\n\n\n<li>Si eres cliente de Znet-Hosting, tus planes de hosting incluyen respaldos diarios autom\u00e1ticos.<\/li>\n\n\n\n<li>Si el sitio est\u00e1 en producci\u00f3n, trabaja con calma: el sitio ya est\u00e1 ca\u00eddo, as\u00ed que un respaldo de 5 minutos no empeora nada.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Paso_a_paso_para_resolverlo\"><\/span>4. Paso a paso para resolverlo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"41_Revisa_wp-configphp_el_paso_mas_frecuente\"><\/span>4.1 Revisa wp-config.php (el paso m\u00e1s frecuente)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Con\u00e9ctate por FTP o desde el administrador de archivos de tu hosting. Si no sabes c\u00f3mo, revisa <a href=\"https:\/\/znet-hosting.cl\/blog\/como-subir-archivos-a-mi-hosting\/\">c\u00f3mo subir archivos a tu hosting<\/a>.<\/li>\n\n\n\n<li>Abre el archivo <code>wp-config.php<\/code>, que est\u00e1 en la carpeta principal del sitio.<\/li>\n\n\n\n<li>Revisa estas l\u00edneas:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>define( 'DB_NAME', 'nombre_de_tu_bd' );\ndefine( 'DB_USER', 'usuario_bd' );\ndefine( 'DB_PASSWORD', 'tu_contrase\u00f1a' );\ndefine( 'DB_HOST', 'localhost' ); \/\/ o el servidor que indique tu hosting<\/code><\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>Compara cada dato con los que aparecen en la secci\u00f3n de bases de datos del panel de tu hosting y corrige cualquier diferencia.<\/li>\n\n\n\n<li>Guarda el archivo y vuelve a cargar el sitio.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Si no conoces los datos:<\/strong> en la secci\u00f3n de bases de datos del panel puedes confirmar el nombre de la base, el usuario y el servidor, y cambiar la contrase\u00f1a del usuario (despu\u00e9s actual\u00edzala en <code>wp-config.php<\/code>).<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Si tu hosting es Znet-Hosting:<\/strong> las bases de datos est\u00e1n en el panel, en <strong>Web Tools \u203a MySQL Databases<\/strong>.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"829\" height=\"256\" src=\"https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image.png\" alt=\"Secci\u00f3n Web Tools del panel de hosting, con MySQL Databases destacado\" class=\"wp-image-1167\" srcset=\"https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image.png 829w, https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-300x93.png 300w, https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-768x237.png 768w\" sizes=\"auto, (max-width: 829px) 100vw, 829px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"798\" height=\"472\" src=\"https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-1.png\" alt=\"Lista de bases de datos y usuarios en MySQL Databases\" class=\"wp-image-1168\" srcset=\"https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-1.png 798w, https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-1-300x177.png 300w, https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-1-768x454.png 768w\" sizes=\"auto, (max-width: 798px) 100vw, 798px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"42_Prueba_la_conexion_con_un_archivo_testphp\"><\/span>4.2 Prueba la conexi\u00f3n con un archivo test.php<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Este script comprueba los datos de acceso sin pasar por WordPress. Crea un archivo <code>test.php<\/code> en la carpeta principal del sitio con este contenido (cambia los cuatro datos por los tuyos):<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\n$host = 'localhost';\n$user = 'usuario_bd';\n$pass = 'tu_contrase\u00f1a';\n$bd   = 'nombre_de_tu_bd';\n\nmysqli_report(MYSQLI_REPORT_OFF);\n$conexion = @mysqli_connect($host, $user, $pass, $bd);\nif (!$conexion) {\n    die('Error de MySQL: ' . mysqli_connect_error());\n}\necho 'Conexi\u00f3n a la base de datos exitosa';\nmysqli_close($conexion);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Abre <code>https:\/\/tudominio.cl\/test.php<\/code> en el navegador:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>&#8220;Conexi\u00f3n a la base de datos exitosa&#8221;:<\/strong> los datos funcionan. Sigue con la reparaci\u00f3n de la base de datos o la revisi\u00f3n de archivos.<\/li>\n\n\n\n<li><strong>&#8220;Error de MySQL: Access denied for user \u2026 (using password: YES)&#8221;:<\/strong> el usuario o la contrase\u00f1a est\u00e1n mal. Vuelve a <code>wp-config.php<\/code>.<\/li>\n\n\n\n<li><strong>&#8220;Error de MySQL: Access denied for user \u2026 to database \u2026&#8221;:<\/strong> el nombre de la base de datos est\u00e1 mal, o el usuario no tiene permisos sobre esa base.<\/li>\n\n\n\n<li><strong>&#8220;Connection refused&#8221; o &#8220;No such file or directory&#8221;:<\/strong> el servidor de base de datos no responde o <code>DB_HOST<\/code> est\u00e1 mal. Revisa el servidor que indica tu hosting y, si est\u00e1 bien, contacta al soporte.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Borra <code>test.php<\/code> cuando termines:<\/strong> contiene tu contrase\u00f1a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"43_Repara_la_base_de_datos\"><\/span>4.3 Repara la base de datos<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Opci\u00f3n 1: desde WordPress<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>En <code>wp-config.php<\/code>, agrega temporalmente esta l\u00ednea antes de la que empieza con <code>\/* That's all, stop editing!<\/code>:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>define( 'WP_ALLOW_REPAIR', true );<\/code><\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Abre en el navegador <code>https:\/\/tudominio.cl\/wp-admin\/maint\/repair.php<\/code>.<\/li>\n\n\n\n<li>Usa <strong>Reparar base de datos<\/strong> o <strong>Reparar y optimizar la base de datos<\/strong>.<\/li>\n\n\n\n<li>Cuando termines, <strong>borra la l\u00ednea<\/strong> de <code>wp-config.php<\/code>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Esta p\u00e1gina de reparaci\u00f3n no pide iniciar sesi\u00f3n: cualquiera que conozca la direcci\u00f3n puede usarla mientras la l\u00ednea exista. Por eso es importante borrarla al terminar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Opci\u00f3n 2: desde phpMyAdmin<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Entra a <strong>phpMyAdmin<\/strong> desde el panel de tu hosting.<\/li>\n\n\n\n<li>Selecciona la base de datos de tu sitio.<\/li>\n\n\n\n<li>Marca todas las tablas (<strong>Check all<\/strong>).<\/li>\n\n\n\n<li>En el men\u00fa desplegable, elige <strong>Repair table<\/strong>.<\/li>\n\n\n\n<li>Revisa si alguna tabla no se pudo reparar.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"792\" height=\"413\" src=\"https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-2.png\" alt=\"Opci\u00f3n Repair table en phpMyAdmin con todas las tablas seleccionadas\" class=\"wp-image-1169\" srcset=\"https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-2.png 792w, https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-2-300x156.png 300w, https:\/\/znet-hosting.cl\/blog\/wp-content\/uploads\/2025\/09\/image-2-768x400.png 768w\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Si tu hosting es Znet-Hosting:<\/strong> phpMyAdmin est\u00e1 en el panel, en <strong>Web Tools \u203a phpMyAdmin<\/strong>.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"44_Reemplaza_los_archivos_principales_de_WordPress\"><\/span>4.4 Reemplaza los archivos principales de WordPress<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Descarga la versi\u00f3n oficial de WordPress desde <a href=\"https:\/\/wordpress.org\/download\/\">wordpress.org<\/a>.<\/li>\n\n\n\n<li>Descomprime el paquete y <strong>elimina<\/strong> la carpeta <code>wp-content<\/code> y el archivo <code>wp-config-sample.php<\/code>: no los subas.<\/li>\n\n\n\n<li>Sube el resto de los archivos por FTP o con el administrador de archivos, sobrescribiendo los existentes.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Esto restablece los archivos principales sin tocar tu contenido, tus temas ni tus plugins.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"45_Revisa_plugins_tema_permisos_y_recursos\"><\/span>4.5 Revisa plugins, tema, permisos y recursos<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plugins:<\/strong> si no puedes entrar al panel, renombra la carpeta <code>wp-content\/plugins<\/code> a <code>plugins.off<\/code> por FTP. Si el sitio vuelve, devu\u00e9lvele el nombre y desactiva los plugins uno por uno para encontrar al culpable.<\/li>\n\n\n\n<li><strong>Tema:<\/strong> renombra la carpeta del tema activo para que WordPress use uno por defecto, y revisa si el sitio carga.<\/li>\n\n\n\n<li><strong>Permisos del usuario de la base de datos:<\/strong> desde el panel de bases de datos, comprueba que el usuario tenga todos los privilegios sobre la base del sitio (SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, entre otros).<\/li>\n\n\n\n<li><strong>Recursos:<\/strong> si el error aparece solo con mucho tr\u00e1fico, el hosting puede estar llegando a su l\u00edmite. Una cach\u00e9 o un plan con m\u00e1s recursos lo resuelve. Te damos m\u00e1s ideas en <a href=\"https:\/\/znet-hosting.cl\/blog\/consejos-para-optimizar-wordpress\/\">c\u00f3mo optimizar WordPress<\/a>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"46_Si_nada_funciona_contacta_a_tu_hosting\"><\/span>4.6 Si nada funciona, contacta a tu hosting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Si hiciste todas las comprobaciones y el error sigue, escribe al soporte de tu hosting con:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>El dominio afectado.<\/li>\n\n\n\n<li>Los pasos que ya hiciste (revisi\u00f3n de <code>wp-config.php<\/code>, <code>test.php<\/code>, reparaci\u00f3n) y el resultado de cada uno.<\/li>\n\n\n\n<li>El mensaje exacto que muestra <code>test.php<\/code>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Con eso, el soporte puede revisar los registros y el estado del servidor de base de datos mucho m\u00e1s r\u00e1pido.<\/p>\n\n\n<p class=\"znb-wa\"><a class=\"znb-boton znb-boton--wa\" href=\"https:\/\/wa.me\/56933880402?text=Hola%2C%20vengo%20del%20blog%20de%20Znet-Hosting%20y%20quiero%20informaci%C3%B3n%20sobre%20hosting%20WordPress.\" target=\"_blank\" rel=\"noopener nofollow\" data-znb-contexto=\"wordpress\">Necesito ayuda con mi WordPress<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Como_evitar_que_vuelva_a_pasar\"><\/span>5. C\u00f3mo evitar que vuelva a pasar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Respaldos autom\u00e1ticos:<\/strong> diarios y antes de cada cambio importante.<\/li>\n\n\n\n<li><strong>Monitoreo de disponibilidad:<\/strong> para enterarte de una ca\u00edda antes que tus clientes.<\/li>\n\n\n\n<li><strong>Cach\u00e9:<\/strong> reduce las consultas a la base de datos en los picos de tr\u00e1fico.<\/li>\n\n\n\n<li><strong>Menos plugins:<\/strong> cada plugin es una capa m\u00e1s de riesgo.<\/li>\n\n\n\n<li><strong>Actualizaciones ordenadas:<\/strong> plugins, tema y WordPress, probados primero en staging. Revisa <a href=\"https:\/\/znet-hosting.cl\/blog\/como-actualizar-wordpress-sin-morir-en-el-intento\/\">c\u00f3mo actualizar WordPress sin romper nada<\/a>.<\/li>\n\n\n\n<li><strong>Un usuario de base de datos por sitio:<\/strong> con los permisos justos, nunca el usuario root.<\/li>\n\n\n\n<li><strong>Un hosting a la medida:<\/strong> si tu proyecto creci\u00f3, un plan con m\u00e1s recursos o un VPS.<\/li>\n<\/ul>\n\n\n<aside class=\"znb-dif\" aria-label=\"Ventajas de Znet-Hosting\"><p class=\"znb-dif__titulo\">En Znet-Hosting<\/p><ul><li><strong>Respaldos diarios incluidos<\/strong> Copias autom\u00e1ticas todos los d\u00edas en los planes de hosting.<\/li><li><strong>Tu web sigue r\u00e1pida<\/strong> Aunque el tr\u00e1fico se dispare.<\/li><li><strong>Migraci\u00f3n gratis asistida<\/strong> Te cambiamos de proveedor sin costo.<\/li><li><strong>Soporte humano en espa\u00f1ol<\/strong> Por WhatsApp y ticket, con personas reales.<\/li><\/ul><\/aside>\n\n\n<aside class=\"znb-cta\" aria-label=\"Plan ROCKET\">\n\t\t<p class=\"znb-cta__titulo\">\u00bfQuieres que tu WordPress cargue r\u00e1pido y est\u00e9 respaldado?<\/p>\n\t\t<p class=\"znb-cta__plan\"><strong>ROCKET<\/strong> \u00b7 Pymes con tr\u00e1fico creciente<\/p>\n\t\t<p class=\"znb-cta__precio\">Desde <strong>$5.600<\/strong>\/mes + IVA<\/p>\n\t\t<ul class=\"znb-cta__lista\">\n\t\t\t\t\t\t\t<li>5 GB SSD NVMe<\/li>\n\t\t\t\t\t\t\t<li>Staging para probar cambios<\/li>\n\t\t\t\t\t\t\t<li>SSL y CDN gratis<\/li>\n\t\t\t\t\t<\/ul>\n\t\t<p class=\"znb-cta__acciones\">\n\t\t\t<a class=\"znb-boton\" href=\"https:\/\/administracion.znet-host.com\/index.php?rp=\/store\/wordpress\/rocket&#038;currency=2&#038;znb=blog-blog\" rel=\"nofollow\" data-znb-plan=\"rocket\" data-znb-prueba=\"1\">Pru\u00e9balo 5 d\u00edas gratis<\/a>\n\t\t\t<a class=\"znb-enlace\" href=\"https:\/\/znet-hosting.cl\/hosting-wordpress\/\">Ver todos los planes de hosting WordPress<\/a>\n\t\t<\/p>\n\t\t\t\t\t<p class=\"znb-cta__micro\">5 d\u00edas gratis \u00b7 Sin tarjeta \u00b7 Sin cobros autom\u00e1ticos<\/p>\n\t\t\t<\/aside>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Preguntas_frecuentes\"><\/span>Preguntas frecuentes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1\"><strong class=\"schema-faq-question\">\u00bfPuedo arreglar esto sin un respaldo?<\/strong> <p class=\"schema-faq-answer\">S\u00ed, muchas veces se soluciona corrigiendo los datos de acceso o reparando las tablas. Aun as\u00ed, siempre conviene hacer un respaldo antes de modificar algo.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-2\"><strong class=\"schema-faq-question\">\u00bfQu\u00e9 pasa si la reparaci\u00f3n falla en phpMyAdmin?<\/strong> <p class=\"schema-faq-answer\">Puede indicar una corrupci\u00f3n grave. En ese caso, restaura un respaldo o pide a tu hosting que te ayude a recuperar las tablas que se puedan salvar.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-3\"><strong class=\"schema-faq-question\">\u00bfPuedo usar WP_ALLOW_REPAIR en un sitio en producci\u00f3n?<\/strong> <p class=\"schema-faq-answer\">S\u00ed, pero borra la l\u00ednea de <code>wp-config.php<\/code> apenas termines, porque la p\u00e1gina de reparaci\u00f3n es p\u00fablica mientras est\u00e9 activa.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-4\"><strong class=\"schema-faq-question\">\u00bfPara qu\u00e9 sirve test.php si ya revis\u00e9 wp-config.php?<\/strong> <p class=\"schema-faq-answer\"><code>test.php<\/code> prueba los datos de acceso sin pasar por WordPress. As\u00ed sabes si el problema est\u00e1 en la conexi\u00f3n con la base de datos o en el propio WordPress.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-5\"><strong class=\"schema-faq-question\">\u00bfZnet-Hosting me ayuda a restaurar un respaldo?<\/strong> <p class=\"schema-faq-answer\">S\u00ed. Si tienes un respaldo en tu panel o nos pides ayuda, podemos restaurar la copia que indiques y guiarte en el proceso.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-6\"><strong class=\"schema-faq-question\">\u00bfC\u00f3mo evito que vuelva a pasar por picos de tr\u00e1fico?<\/strong> <p class=\"schema-faq-answer\">Activa una cach\u00e9, optimiza el sitio y, si el tr\u00e1fico sigue creciendo, pasa a un plan con m\u00e1s recursos.<\/p> <\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sigue_leyendo\"><\/span>Sigue leyendo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/znet-hosting.cl\/blog\/como-recuperar-contrasena-de-wordpress-desde-phpmyadmin\/\">C\u00f3mo recuperar la contrase\u00f1a de WordPress desde phpMyAdmin<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/znet-hosting.cl\/blog\/como-actualizar-wordpress-sin-morir-en-el-intento\/\">C\u00f3mo actualizar WordPress sin romper tu sitio<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/znet-hosting.cl\/blog\/como-realizar-un-respaldo-en-cpanel\/\">C\u00f3mo hacer un respaldo de tu sitio web<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Por Mauricio Zalles, Webmaster de Znet-Hosting. Actualizado el 18 de octubre de 2026.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Respuesta corta: el error aparece cuando WordPress no logra conectarse a su base de datos. La causa m\u00e1s com\u00fan son datos de acceso incorrectos en wp-config.php (nombre de la base, usuario, contrase\u00f1a o servidor). Rev\u00edsalos primero; si est\u00e1n bien, prueba la conexi\u00f3n con un script, repara la base de datos y revisa si el servidor [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[72],"tags":[],"class_list":["post-1166","post","type-post","status-publish","format-standard","hentry","category-wordpress"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Error establishing a database connection: c\u00f3mo solucionarlo<\/title>\n<meta name=\"description\" content=\"Tu WordPress muestra &quot;Error establishing a database connection&quot;? 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Si tienes un respaldo en tu panel o nos pides ayuda, podemos restaurar la copia que indiques y guiarte en el proceso.","inLanguage":"es-CL"},"inLanguage":"es-CL"},{"@type":"Question","@id":"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#faq-question-6","position":6,"url":"https:\/\/znet-hosting.cl\/blog\/como-solucionar-el-error-error-establishing-database-connection-en-wordpress-guia-znet-hosting\/#faq-question-6","name":"\u00bfC\u00f3mo evito que vuelva a pasar por picos de tr\u00e1fico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Activa una cach\u00e9, optimiza el sitio y, si el tr\u00e1fico sigue creciendo, pasa a un plan con m\u00e1s recursos.","inLanguage":"es-CL"},"inLanguage":"es-CL"}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"Mauricio Zalles","author_link":"https:\/\/znet-hosting.cl\/blog\/author\/mauricio-zalles\/"},"uagb_comment_info":0,"uagb_excerpt":"Respuesta corta: el error aparece cuando WordPress no logra conectarse a su base de datos. 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