Search Usage Report in MOSS SSP Admin prompts for credentials and .NET 2.0 Fatal Execution Engine Error is seen in the Event Log

My customer's new MOSS production environment has been upgraded from SPS 2003 and went live this morning, yes!

Some minor issues remain though.

Here's one SSP issue I just fixed temporarily.  

I went to the SSP Admin site, clicked on Search Usage Report under Search section, then I was prompted for credentials. I tried putting in all kinds of accounts including the SSP app pool account but nothing worked. Eventually it errored out with 401.1 access denied page.

When I looked at the Event Log in the Central Admin server, I saw the following error:

Event Type: Error
Event Source: .NET Runtime Event
Category: None
Event ID: 1023
Date: 1/26/2007
Time: 10:01:42 AM
User: N/A
Computer: MOSS02
Description: .NET Runtime version 2.0.50727.42 - Fatal Execution Engine Error (7A05E2B3) (80131506)
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I looked it up and seems like this is a bug in .NET 2.0 and there's a HotFix for it.

The error occurs when there's a no user profile associated with the application user account context.

So the official solution would be obtaining the hotfix and see if that fixes the problem. In the meantime I just worked around the problem by adding the SSP account to the local admin group on the Central Admin server. Right now if I login to the SSP admin using the correct SSP account and then click on Search Usage Report link under Search, I can see the Search Queries Report.