We are having issues with Excel and PowerPoint (2007) use with MOSS 2007. All files can be checked out (mandatory check in / out is enforced) and viewed in their respective client applications. The issue is with saving / checking documents, we receive "There is a problem with the web server, Try again later, or contact the server administrator" and cannot check in the document. If you check it out for offline editing and later try to check it back in SharePoint cannot find the files (in addition, sometime it places the files in the root of the local folder, other times it recreates the folder structure from the document library).
Word (2007 - Check in yes) (2003 - Check in yes)
Excel (2007 - Check in yes) (2003 - Check in no)
PowerPoint (2007 - Check in no) (2003 Check in no)
As you can see there is varying levels of compatibility. I can replicate the problem on other machines, though not all some work just fine with all file formats. Machines are all configured the same, Win XP Pro SP2, Office 2007 SP1. I've re-registered OWSSUPP.DLL, even uninstalling and reinstalling office, but the same problem persists.
There doesn't seem to be anything in the SharePoint or IIS logs showing a communications or authentication failure. I'm beating my head on this one.
how do the Office Products communicate back to MOSS, I assumed they all used the same method? RPC, SOAP? Why would Word files work without issue while the others have varying problems and what is the best way to further troubleshoot this issue? I need users with Office 2007 to be able to use both the new and old formats. For that matter 2003 users should be able to download and use 2007 files via the compatibility pack.
Oh, When new files are uploaded, and the check in process is requested, that works fine, the issue is only with existing documents.
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