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Asked: 2026-05-25T00:52:02+00:00

Latest Comment I believe my problem occurs when using Nuget, however, if you are

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Latest Comment

I believe my problem occurs when using Nuget, however, if you are reading because of the TF30063 error. Have a look at the answer I provided and accepted.

Original Post

I am getting this error message when I try to check out. This happens randomly and can occur even if minutes ago the same instance of visual studio allowed me to check something else out for edit.
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The current workaround is to reopen VS2010.

Using W7x64, vs2010 ultimate with TF2010 and sql2008 on my local dev machine. I am not part of a domain. I am the administrator of this computer.

Additional 2011-08-09

When the problem occurrs, I “close solution” under file. And then reopen the solution. I then get a uid/pwd box. I put my admin uid/pwd into it and then get a further error message. Again, closing vs2010 and reopening solves the issue.

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Additional: 2011-08-30

I believe this has to do with nuget. I have provided an answer and so far after many months I have not had a TFS error. Where I should have had an error given the types of operations I have been performing which were identical to the scenarios making it fail.

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1 Answer

  1. Editorial Team

    I noticed that the problem occurred mostly after i installed a nuget package. After adding a nuget package i found that I could not check out. Restarting Visual Studio helped.

    Based on this discussion:

    http://nuget.codeplex.com/discussions/254328

    i used this solution which appears to be working:
    (I have copied the solution here if ever the webpage disappears)

    Control Panel / Internet Options / Security Tab
Select "Local Intranet"
Click Sites button
Click Advanced Button
Add your TFS server http address to the list. e.g. http://tfs
Restart Visual Studio

    Source: http://blog.rthand.com/post/2011/08/26/Fixing-combination-of-NuGet-and-Team-Foundation-in-workgroup-configuration-401-Unauthorized.aspx (Go straight down to The Solution half way down).

    Don’t let the Internet Options part fool you. I do not use Internet Explorer and this solved my issue.

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