Crystal Reports and Windows Server 2003 Apparently there's some problem running Crystal Reports on Windows Server 2003 in an IIS application. We found it to be intermittent--some boxes have problems, some don't.

The problem you get looks like it's a license key issue. However, it's just a Crystal issue. The workaround they gave us is to run IIS 6 in IIS 5.0 Isolation Mode. All I can say it it's working now. Don't really like the solution, though.
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  Register .NET assembly for COM Interop - Registry access problem A great little Microsoft KB article about registry access problems when trying to register .Net assemblies for COM Interop. You have a problem accessing

HKEY_CLASSES_ROOT\Component Categories\{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29}

Microsoft KB Article 327507
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  ildasm /adv flag The /adv (for "advanced") flag is one they don't tell you about on ildasm. Execute it with the /adv flag and you'll get some additional options. My favorite is Ctrl+M (View > MetaInfo > Show). You get a nice text window with all sorts of good info.  ¶ 3:21 PM 0 comments