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I can see some have the same problem as I but I have not found a solution on the problem that fixes it for me.

This works on my dev-machine but not in production:

WorkItemStore workItemStore = teamProjectCollection.GetService<WorkItemStore>();

Here is my error message:

Unable to load DLL 'Microsoft.WITDataStore32.dll': Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))

I have copied the file into my bin-folder but it still not work.Could this be anything with IIS-process-user not having access to the file? Where to start?

Anyone experienced the same?

Regards.

TheViking
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  • Related post - [Unable to load DLL 'Microsoft.WITDataStore32.dll' (TeamFoundation.WorkItemTracking)](https://stackoverflow.com/q/31031817/465053) – RBT Dec 21 '20 at 13:56

2 Answers2

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You should use the Nuget package for TFS Integration. If you add the TFS Extended Client it will setup the files in the necessary way.

https://www.nuget.org/packages/Microsoft.TeamFoundationServer.ExtendedClient

It adds two additional files to your project that you need.

MrHinsh - Martin Hinshelwood
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To narrow down if the issue related to IIS-process-user not having access to the file.

You could check the permissions on the dll. Make sure the Network Service and app pool identity both had read/write/execute permissions. Add IIS_IUSRS, IIS-process-users with r/w/x.

Please also try to run the cmd tasklist /m dll_name.dll to check whether another process has the file locked and without share-read access.

In another direction is double checking if add reference to Microsoft.WITDataStore successful. If you are using Nuget Package to install the dll, please make sure using the official NuGet packages. Some similar question about this for your reference:

Community
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PatrickLu-MSFT
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    The app pool identity had lost its rights to the bin-folder. Setting correct access for the identity solved my issue. Thanks! – TheViking Feb 13 '17 at 13:11