Plesk for Windows
kb: technical
ABT: Group B
Applicable to:
- Plesk for Windows
Symptoms
- Websites are not available after upgrading Plesk. The following error is shown:
CONFIG_TEXT: HTTP Error 503. The service is unavailable
- Events with ID 2280 can be found at Windows > Start > Event Viewer > Windows Logs > Application:
CONFIG_TEXT: The Module DLL C:\Windows\system32\inetsrv\rewrite.dll failed to load. The data is the error.
CONFIG_TEXT: Could not load type '%SystemRoot%\system32\inetsrv\rewrite.dll'.
Cause
%SytemRoot%\system32\inetsrv\rewrite.dll
does not exist on the filesystem or it's corrupted.
Resolution
-
Connect to the server via RDP;
-
Make sure that the
rewrite.dll
file exists in the folder%SystemRoot%\System32\inetsrv
:- If the
rewrite.dll
doesn't exist, download the correct URL Rewrite Module version and install it at www.iis.net/urlrewrite - If it exists, rename or remove
%SystemRoot%\System32\inetsrv\rewrite.dll
file and reinstall the package, which can be downloaded from www.iis.net/urlrewrite
- If the
-
Open CMD as administrator;
-
Continue Plesk upgrade:
C:\> plesk installer update
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