Article ID: 1071, created on Oct 6, 2008, last review on Apr 30, 2014

  • Applies to:
  • Plesk 9.x for Windows
  • Plesk 8.x for Windows
  • Plesk 7.x for Windows


When accessing a sub domain management page the following error message is displayed:

Unable to create SubDomainManager object: Unable to create SubDomainPerformance object: WebServerManager::getSubDomainPerformance() failed: Unable to parse current performance.


Sub domain is not configured in IIS.


It’s needed to be re-configured. This can be done using the following command line utility:

"%plesk_bin%\websrvmng.exe" --update-subdomain --vhost-name=<domain> --subdomain=<subdomain>

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