Resolve system requirement issues

Fix common system requirement issues affecting your MainWP Dashboard performance. Covers WordPress version, PHP settings, MySQL, SSL, cURL, and directory permissions.

MainWP requires specific server configurations to function properly. This guide covers how to identify and fix common system requirement issues shown on the Server Information page.

What You’ll Learn

• Check your current system requirements status
• Fix PHP configuration issues
• Enable required extensions
• Resolve directory permission problems

Prerequisites

• Access to your hosting control panel or FTP
• Ability to edit php.ini or contact hosting support
• Admin access to your Dashboard site

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Check Your Status

Go to MainWP > Info > Server to view your current configuration. Items that don’t meet requirements are highlighted.

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WordPress Version

Requirement	Value
Minimum	WordPress 6.2
Recommended	Latest stable version

How to fix: Update your WordPress installation to the latest stable release.

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WordPress Memory Limit

Requirement	Value
Minimum	64MB
Recommended	256MB

How to fix: Add this line to your wp-config.php file:

define('WP_MEMORY_LIMIT', '256M');

See WordPress Memory Limit documentation for details.

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PHP Version

Requirement	Value
Minimum	7.4
Recommended	8.0 or newer

How to fix: Contact your hosting support to update PHP on your server. Most hosts provide PHP version switching in the control panel.

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MySQL Version

Requirement	Value
Minimum	5.5
Recommended	5.7 or newer

How to fix: Contact your hosting support to update MySQL. Database upgrades typically require host assistance.

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PHP Max Execution Time

Requirement	Value
Minimum	30 seconds
Recommended	300 seconds

How to fix: Edit php.ini and set:

max_execution_time = 300

Or contact your hosting support to make this change.

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PHP Upload Max Filesize

Requirement	Value
Minimum	2MB
Recommended	128MB

How to fix: Edit php.ini and set:

upload_max_filesize = 128M

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PHP Post Max Size

Requirement	Value
Minimum	2MB
Recommended	128MB

How to fix: Edit php.ini and set:

post_max_size = 128M

post_max_size should be equal to or larger than upload_max_filesize.

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SSL Extension

Requirement	Value
Required	Enabled

How to fix: Edit php.ini and uncomment the OpenSSL extension:

; Change this:
;extension=php_openssl.dll

; To this:
extension=php_openssl.dll

Or contact your hosting support to enable OpenSSL.

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SSL Warning

Requirement	Value
Required	Empty (no errors)

How to fix: If SSL warnings appear, contact your hosting support with the specific error message. SSL issues often require server-level configuration changes.

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cURL Extension

Requirement	Value
Required	Enabled

How to fix: Edit php.ini and uncomment the cURL extension:

; Change this:
;extension=php_curl.dll

; To this:
extension=php_curl.dll

Or contact your hosting support to enable cURL.

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cURL Timeout

Requirement	Value
Minimum	60 seconds
Recommended	300 seconds

How to fix: Edit php.ini and set:

default_socket_timeout = 300

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MainWP Upload Directory

Requirement	Value
Required	Writable

How to fix:

1. Connect via FTP

   Connect to your site using an FTP program like FileZilla.

2. Navigate to the directory

   Go to /wp-content/uploads/mainwp/

3. Create directory if missing

   If the mainwp folder doesn’t exist, create it.

4. Set permissions

   Right-click the folder and set permissions (chmod) to 755. If that doesn’t work, try 777.

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Contact Your Host

For most changes, contacting your hosting support is the safest approach. Provide them with:

• The specific requirement that isn’t met
• The recommended value from this guide
• A request to make the change

Some servers require a reboot after php.ini changes. Your host can handle this.

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Self-Check Checklist

• All requirements show as met on Server Information page
• PHP version is current
• Memory and execution time limits are adequate
• SSL and cURL extensions are enabled
• MainWP upload directory is writable

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Related Resources

• MainWP System Requirements - Full requirements list
• Required PHP Functions - PHP function requirements
• MainWP Fails to Update - Update issues from low limits