Plesk is not accessible: No connection could be made because the target machine actively refused it

Created:

2016-11-16 13:21:22 UTC

Modified:

2017-08-16 17:23:17 UTC

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Plesk is not accessible: No connection could be made because the target machine actively refused it

Applicable to:

  • Plesk 10.x for Windows
  • Plesk 11.x for Windows
  • Plesk 12.0 for Linux
  • Plesk 12.5 for Windows

Symptoms

  • Unable to access Plesk. Browser shows the following error:

    ERROR: PleskMainDBException: No connection could be made because the target machine actively refused it.
    (Error code: 2002) (db.php:444)
  • MySQL service fails to start with error 1067 "The process terminated unexpectedly"

  • The following error can be found in %plesk_dir%/Databases/MySQL/Data/*.err :

    InnoDB: Error: log file .\ib_logfile0 is of different size 0 10485760 bytes
    InnoDB: than specified in the .cnf file 0 4194304 bytes!

Cause

Insufficient size for innodb_log_file_size parameter.

Resolution

Update the following parameter in %plesk_dir%/Databases/MySQL/Data/my.ini file:

innodb_log_file_size=10M

Or make sure that size of ib_logfile files corresponds innodb_log_file_size value.

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