Can't create new PowerPoint file from SharePoint Doclib with check-out enforced / deadlocking!

Brass Contributor

Jul 07, 2017

The fiddler trace says, that there is a server error (500) happening, when accessing the powerpoint viewer svc. In the OOS ULS I can see the following:

JoinCoauthoringAndGetSharedRemoteServiceLocation: [JoinCoauthResponse.RequestError: FileAlreadyCheckedOutOnServer] [GetTruthResponse.RequestError: Deprecated_DependentOnlyOnSuccessRequestFailed]

JoinCoauthoring: Trying to join coauthoring failed to acquire the schema lockWebSession::ProcessRequest caught an exception Microsoft.Office.Server.Powerpoint.Pipe.Core.RequireExclusiveLockException: need to acquire exclusive lock

EditSession::PPTGetTruth:srsLocation is null currently, retry to get srsLocation:

àhm.. CoAuth we dont want, thats one of the reasons, why we enforce checkout - so why it seems to try to do coauth here and fails?

I know, we can forcibly disable coauth via Powershell: WebApplication.WebService.DisableCoauthoring

Tried, but no effect. Looks somehow like there is an authentication issue?

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Can't create new PowerPoint file from SharePoint Doclib with check-out enforced / deadlocking!

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