Unable to remove IP address without any assigned domains: The IP address is already used for hosting

Symptoms

• It is impossible to delete the IP address via Tools & Settings > IP Addresses > 203.0.113.2 > Remove:

  PLESK_ERROR: Error: The IP address 203.0.113.2 is already used for hosting.

• There are no domains assigned to this IP address;

• Previously, there were domains on this IP address, but they were switched to Forwarding or No Hosting hosting type in Domains > example.com > Hosting Settings;

• In Tools & Settings > Mail Server Settings > Outgoing mail mode is set to Send from domain IP addresses.

Cause

It is a Plesk bug #PPPM-8945 which is going to be fixed in the future updates.

Resolution

Until a fix becomes available, use the following commands to switch mail to another IP address:

1. Connect to the server via SSH;

2. Execute the following command for the affected domains:

   # plesk bin subscription -u example.com -ip 203.0.113.2 -mail-service-ip 203.0.113.3