Category: Troubleshooting
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Setting up Sonatype Nexus 3 as your Windows Docker Container Registry
Currently I am working at Rabobank. Rabobank uses Sonatype Nexus as their artifact repository for all kinds of packages and also for Docker Containers. Since there are a few Microsoft .Net teams are moving towards Docker, the need for Docker containers arose as well. So we created a Windows Base…
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Release Management hangs and there is no log in place…
This week I encountered a very strange error with release management 2015.1 (so the old, grey, WPF version) We upgraded our TFS server to 2015.1 and everything was fine. We started a release and everything was fine. But the second time we started a release it only went through the…
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Build fails when associating work items
Recently I ran into a strange problem. I modified a work item type definition and added a field. So far, so good. The field could be edited and everyone was happy. But after that, my build failed. As you may or may not know you can choose to associate work…
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Trigger a vNext release template from a build definition throws Http Error 500
Last week I was busy with some work on a vNext Release template. When my release worked I wanted to trigger that release from my build definition. Where as in the agent-based Release Management it was a matter of checking a checkbox and using a different Build Template that triggers…
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Error in TFS 2013 build – Could not load file or assembly ‘Microsoft.VisualStudio.Services.WebApi
Recently I installed TFS 2013.2 and modified some Build Templates. I also installed a separate Build Server that executes these builds for me. My build template was based on the default TFS 2013 Build template (Tfvctemplate.12.xaml) When my build executed, it ran for a while, but eventually it stopped with…
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TFS Build throws CRC in GZip footer error
This week I encountered a really nasty problem with the Team Foundation Server Build Agents. Before I walk you through the details let me first explain the situation. Scenario At a customer we are building a new build “farm” (a little farm 😉 ). Currently we have 2 build servers…
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Visual Studio 2013 freezes when performing Load Test on Azure
Since the release of Visual Studio 2013 a few weeks ago we have the possibility to use the immense power of the cloud to perform Load Tests on our public websites. This is a Team Foundation Service feature and can be used when you have a TF Service account. For…
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Custom Build Activities Type is greyed out in Build Definition editor
Lately I am quite busy with building Custom Build activities for TFS 2012. I also did this in TFS 2010 but it seems that I avoided some issues there. In my previous blog posts I described some migration issues with TFS build. This is about an issue I had with…
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‘Microsoft.TeamFoundation.Build.Client.IProjectFile’ is obsolete
For my customer I was implementing some advanced BuildNumbering mechanism (Here can you find a good post about this). Because it was important that the stuff worked, I wrote some Unit Tests. I usually do that and need IBuildDetail. Jim Lamb has a great post about how to stub The…
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Error when copying Build Template “The type ‘TfsBuild.Process’ already contains a definition for…”
I do quite a lot of Build customizations and usually I create a new Build Template for each type of Build I want to do. You can choose to copy the file in the Build Definition Editor or you can just Copy/Paste the file in Windows Explorer. The advantage of…
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TFS API – WorkItemStore is null and throws NullReferenceException
In the last weeks I wrote a migration tool to migrate test cases from Rally to Team Foundation Server. This tool is deployed to a server and runs as a Windows Service. After I made a small update to this tool suddenly my tool stopped working. My log file gave…
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Solving TF30042: The database is full. Contact your Team Foundation Server administrator.
I got this message a few weeks ago and it scared me. Why? Let me tell you. The company where I do a lot of consultancy called me in the middle of the day that users started receiving this message. People could not check-in, create work items or add/edit any…
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The Team Tab has disappeared from the Ribbon in Excel (or error TF80012)
Sometimes it happens that because of a crash or unknown issue the Team Tab in Excel disappears. Usually you will notice this, because you get an error when you try to open a excel sheet with TFS data. The reason is that this Add-In is disabled. To make it appear…
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Unit Test Deployment files not found in VS2010
When writing Unit tests, it is sometimes useful to use specific files for a specific Unit test. With help of the TestContext object in a Unit test class you can easily deploy files along with your Unit Tests. Everytime a Unit test is executed, the file(s) is published to an…
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TFS 2010 Web Access Client shows Error 500 (Request was rejected by http filter)
We recently published our TFS Web Access Client via HTTPS to the outside world. Everything was working fine until we pressed the “Edit Query” button. A Internal Server Error (500) appeared with the extra info “Request was rejected by http filter). We are using Microsoft TMG server to publish the…


