Unable to create subscription: Cannot commit configuration changes because the file has changed on disk

Symptoms

• The Subscription creation fails with the following error in Plesk:

  PLESK_ERROR: "Cannot commit configuration changes because the file has changed on disk":
  Error message or request description : Error: WebServerManager::addVhost() failed: websrvmng failed:
  Filename: \\?\C:\Windows\system32\inetsrv\config\applicationHost.config
  Error: Cannot commit configuration changes because the file has changed on disk In module Exception type: System.IO.FileLoadException at Microsoft.Web.Administration.Interop.AppHostWritableAdminManager.CommitChanges() at Microsoft.Web.Administration.ConfigurationManager.CommitChanges() at Microsoft.Web.Administration.ServerManager.CommitChanges() at ServerManagerFactory.commit() at IIS7ServerManager.commit(IIS7ServerManager* )

• McAfee Antivirus is installed on the server

Cause

McAfee Antivirus performs scanning applicationHost.config file during the domain creation, that leads to busy IIS.

Resolution

Add to the McAfee On-Access scan Exclusions the following objects:

• the %plesk_dir% folder

• Subdirectories of the %plesk_dir% directory

• the C:\Windows\System32\inetsrv\config folder