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Knowledge Base

Plesk and/or some websites cannot be opened and keeps loading endlessly

 
cachedomainsplesk for windowsplesk service interfaceserver

Symptoms

  • Unable to access Plesk UI or some websites, it keeps loading endlessly.
  • There are no errors at Domains > example.com > Logs page, in %plesk_dir%adminlogsphp_error.log file or in the Event Viewer.
  • Reconfiguration of PleskControlPanel website in IIS does not help.

Cause

IIS web-server does not handle requests properly.

Resolution

Note: IIS restart will make all the websites offline for a while, consider doing it in maintenance time.

  1. Connect to the server via RDP.

  2. Open command prompt and clear IIS cache:

    C:> "%plesk_bin64%"websrvmng.exe --remove-sites-cache

  3. Restart IIS web-server:

    C:> iisreset

  4. If the issue persists, reboot the server.

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