If IIS Manager doesn’t open because of the error below, it may cause delays in maintenance and migrations.
The error message:
Creating an instance of the COM component with CLSID from the IClassFactory failed due to the following error: 800700b7
This issue may happen after an in-place upgrade, migration, Windows updates or any other operation that works with system libraries. There is likely a corrupted or missing system file.
There are a couple things to check if you run into this issue:
If logs and traces don’t provide a lead, here are a few things to try (Test if IIS Manager opens successfully after each step):
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