"plesk panel","plesk control  panel"If you are unable to log-in to your Plesk control panel, you may get the following error’s when trying to access it. You may also come across the warning that the webpage is not available. After you have installed Plesk software on your server you need to configure your system and set up all services required for its operation. In order to configure your Plesk managed server via the control panel follow the instructions provided below .

Some error messages that maybe displayed while you try to login to your control panel: Error 104 (net::ERR_CONNECTION_FAILED): The attempt to connect to the server failed. “Access for administrator from address xx.xx.xx.xx is restricted in accordance with IP Access restriction policy currently applied. This means that the Plesk IP access policy is configured in such a way that you are unable to login to Plesk from the current IP. To solve these issues and to enable Plesk Control Panel first of all you need to access your server and the most important thing is that you must login to the server via SSH and change IP access policy in the ‘psa’ database. To find current policy and restricted/allowed IPs use the following commands:

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# mysql -uadmin -p`cat /etc/psa/.psa.shadow ` psa
mysql> select * from cp_access;
The above command is being used to feteh that perticular collom data from the control panel.
mysql> select * from misc where param=’access_policy’;
This above command filters all your
If you wish to clear access policy settings remove all records from “cp_access” and set policy to “allow”:
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# mysql -uadmin -p`cat /etc/psa/.psa.shadow ` psa
mysql> delete * from cp_access;
Tha above query will select data from the database with cp_accesss
mysql> update misc set val=”allow” where param=’access_policy’;
As you fire the above query the data which has access_policy as a parameter is being set to allow.
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This will help you to unblock all the IP address if blocked. Now you should be able to Login to Plesk Control Panel.