Plesk migration fails with the warning: Service plan on source server has PHP handler that is not installed on the target server

Denis Pankov

Updated January 13, 2026 19:10

kb: bug kb: fixed ext: migrator

Symptoms

The following warning is shown during Plesk migration whereas mentioned PHP handler exists on the target server:

Service plan 'Default Domain' on source server has PHP handler
that is not installed on the target server: custom PHP handler (id='fastcgi-7.4') for PHP 4 running in CGI mode.
Another PHP handler was selected for that service template: custom PHP handler (id='cgi-5.6') for PHP 5.6.40 running in CGI mode

Cause

Product issue:

#PMT-4892 "The extension now correctly migrates the PHP handler version and type from Plesk installations earlier than 12.0."
Fixed in:
- Plesk Migrator 2.26.14 09 December 2024

Resolution

Please consider updating your server:

How to update Plesk extensions

Workaround

Until the issue is resolved, the following workaround can be applied:

On Plesk for Windows

Connect to the source server via RDP.
Open command prompt as Administrator and make Plesk database backup:

plesk db dump > C:\plesk_db_dump.sql
Remove all unnecessary lines from Plesk database:

plesk db "DELETE FROM TmplData WHERE element='php_version'"

plesk db "DELETE FROM TmplData WHERE element='php_handler_type'"
Log in to Plesk on the target server.
Go to Tools & Settings > Migration & Transfer Manager > 203.0.113.2
Click the button Reload source data and re-migrate necessary subscriptions.

On Plesk for Linux

Connect to the source server via SSH
Create Plesk database backup
Run the following two commands to remove all unnecessary lines from Plesk database:

# plesk db "DELETE FROM TmplData WHERE element='php_version'"

# plesk db "DELETE FROM TmplData WHERE element='php_handler_type'"
Log in to Plesk on the target server.
Go to Tools & Settings > Migration & Transfer Manager > 203.0.113.2
Click the button Reload source data and re-migrate necessary subscriptions.