Symptoms
Unable to create domain or install application like Moodle with the error below:
Path is not allowed
Affected domain's subscription and/or service plan is configured with ASP.NET framework 4.x.
Cause
Absolute ASP.NET temporary directory path is set in Plesk and/or IIS.
Resolution
Go to Tools & Settings > ASP.NET Settings page.
Remove data from Temporary directory field and press OK button.
Note: proceed with the "Temporary Directory is set in IIS" section in case the issue persists.
Temporary Directory is set in IIS
Log into the server via RDP.
Launch Internet Information Service (IIS) Manager at Windows Start > All Programs > Windows Administrative Tools page.
Navigate to IIS > servername > .NET Compilation > Temporary Directory page.
Remove data from Temporary Directory field and press Apply button.