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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.

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What You’ll Learn

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

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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

RequirementValue
MinimumWordPress 6.2
RecommendedLatest stable version
How to fix: Update your WordPress installation to the latest stable release.

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WordPress Memory Limit

RequirementValue
Minimum64MB
Recommended256MB
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

RequirementValue
Minimum7.4
Recommended8.0 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

RequirementValue
Minimum5.5
Recommended5.7 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

RequirementValue
Minimum30 seconds
Recommended300 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

RequirementValue
Minimum2MB
Recommended128MB
How to fix: Edit php.ini and set: 
upload_max_filesize = 128M

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PHP Post Max Size

RequirementValue
Minimum2MB
Recommended128MB
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

RequirementValue
RequiredEnabled
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

RequirementValue
RequiredEmpty (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

RequirementValue
RequiredEnabled
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

RequirementValue
Minimum60 seconds
Recommended300 seconds
How to fix: Edit php.ini and set: 
default_socket_timeout = 300

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MainWP Upload Directory

RequirementValue
RequiredWritable
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