Question
How to change the location for mailboxes in Plesk for Windows Server?
Answer
Connect to a Plesk server via RDP.
Launch Plesk Reconfigurator at Windows Start > All Programs > Plesk.
In Plesk Reconfigurator, select Change Plesk Mail Data location.
Specify a new location for Plesk mail data and click Next. All existing mail data will be transferred to the new location as well.
Note: During this operation mail services and Plesk will be stopped.