- Websites are not available after upgrading Plesk. The following error is shown:
HTTP Error 503. The service is unavailable
- Events with ID 2280 can be found at Windows > Start > Event Viewer > Windows Logs > Application:
The Module DLL C:Windowssystem32inetsrvrewrite.dll failed to load. The data is the error.
Could not load type '%SystemRoot%system32inetsrvrewrite.dll'.
does not exist on the filesystem or it’s corrupted.
Connect to the server via RDP;
Make sure that the
rewrite.dllfile exists in the folder
Open CMD as administrator;
Continue Plesk upgrade:
C:> plesk installer update