I get the error: “Could not connect to SQL database. Too many connections”.

Symptoms Sometimes I get the “Too many connections” error in Plesk CP or when open a site in my browser: Unable to connect to database: Too many connections Cause This error means that the limit of simultaneous MySQL connection to mysql server is reached and new connections to the server cannot be established at this […]

Parallels Plesk Panel reports that updates are available however all components are should updated on autoinstaller page

Symptoms When I log to Parallels Plesk Panel it tells me that I have updates. But when I check updates on page Home -> Updates -> Parallels Plesk Panel 9.2.x everything looks updated. What causes the problem? Cause This issue is caused by the fact that there are still some components of Parallels Plesk Panel […]

Message cannot be delivered and error “Unable to stat …executable’ or it is not link: No such file or directory” in maillog

Symptoms For some account messages cannot be delivered and the following errors are shown in maillog: /usr/local/psa/var/log/maillog —>8— Jun 10 03:53:42 vps310 postfix-local[21983]: Unable to stat entry ‘/usr/local/psa/handlers/info/10-spam-0gemCa/executable’ or it is not link: No such file or directory —8 Checking for: mail_spam_restore… ok ==> Checking for: mailsrv_conf_init… ok ==> Checking for: mail_mailbox_restore… ok ==> Checking […]

Plesk 9.X Upgrades : Table ‘mysql.procs_priv’ doesn’t exist

Plesk Upgrades to Plesk 9.X may result in MySQL errors while adding new Database user under Plesk. Error under Plesk : Table ‘mysql.procs_priv’ doesn’t exist You can also check the same error under command line : mysql> flush privileges; ERROR 1146 (42S02): Table ‘mysql.procs_priv’ doesn’t exist mysql> This can be fixed using below command. This […]

Plesk : Upgrading failed with error while trying to execute SQL query

Symptoms Upgrade version 8.6 failed. The following error is shown in upgrade log: /tmp/psa_8.6.0_cos4.build86080722.02_upgrade.090611.00.57.log —>8— ERROR while trying to execute SQL query, the query was: DELETE FROM mysql.user WHERE user = ”; FLUSH PRIVILEGES; Aborting… STOP psa-8.6.0-cos4.build86080722.02 upgrading AT Thu Jun 11 00:57:52 CDT 2009 —8 flush privileges; ERROR 1146 (42S02): Table ‘mysql.procs_priv’ doesn’t exist […]

Plesk 8.x error : Unable to remove hosting: Unable to delete system user: SysUser->systemRemove() failed: usermng failed: Unknown error 0xC00CE558 (COM Error C00CE558) at execute command del” while deleting the domains

I faced a issue while deleted few domains from Plesk 8.6. Error While deleting a domain from Plesk : Unable to remove hosting: Unable to delete system user: SysUser->systemRemove() failed: usermng failed: Unknown error 0xC00CE558 (COM Error C00CE558) at execute command del” while deleting the domains Every domains showed a COM error when tried to […]

Mailbox unavailable or not local error messages

If you receive this error when adding a domain: <coder>Unable to send notification: mail() failed: SMTP server response: 550 Requested action not taken: mailbox unavailable or not local then you need to add a valid mailbox to your Plesk admin setup. To resolve this issue log into Plesk and click on: Server Edit (under personal […]

When I logging into the Plesk CP and creating a user or domain, this error message appears right after creation: “Internal Plesk error occurred: Unable to send notification: mail() failed:”

APPLIES TO: * Plesk 7.5.4 Reloaded * Plesk 8.x for Linux/Unix SYMPTOMS Additionally the following errors may be shown: Failed to connect to mailserver SMTP server response: 550 Empty error message from utility. CAUSE This error means that Plesk failed to send notification for some reasons. RESOLUTION First of all make sure that Plesk SMTP […]