Resolve "Service Unavailable HTTP Error 503" after installing SendSuite Live
Learn how to resolve a "Service Unavailable HTTP Error 503" error on all SendSuite websites and the ConnectShip website after installing SendSuite Live.
Products affected: SendSuite® Live
Issue
After installing SendSuite® Live, all SendSuite websites and the ConnectShip website are returning the error message:
The Windows Event Viewer shows the error "KB Plesk: The Module DLL C:\Windows\system32\inetsrv\rewrite.dll failed to load.", and each application pool is stopping.
Service Unavailable
HTTP Error 503. The service is unavailable.
HTTP Error 503. The service is unavailable.
The Windows Event Viewer shows the error "KB Plesk: The Module DLL C:\Windows\system32\inetsrv\rewrite.dll failed to load.", and each application pool is stopping.
Cause
The file %SytemRoot%\system32\inetsrv\rewrite.dll does not exist on the file system or is corrupted.
Resolution
To resolve this issue:
- In Windows Explorer, go to the location %SystemRoot%\System32\inetsrv.
- If the file rewrite.dll does not exist in that folder, download the appropriate IIS Rewrite Module version and install it:
- If rewrite.dll does exist in that folder, repair the IIS Rewrite Module installation. Run the downloaded installer .msi package and select Repair.
- If the issue is still not resolved, rename or remove the file %SystemRoot%\System32\inetsrv\rewrite.dll from the %SystemRoot%\System32\inetsrv\ folder, then reinstall the downloaded installer package.
UPDATED: August 14, 2021
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