Creating a custom Activity for Team Foundation Build
You can be creating a custom activity for Team Foundation Build in a few simple steps. There are always advanced steps but this will get you started.
Issue [ TFS 2013 ] InRelease account requires make requests on behalf of others

When you try to configure InRelease to connect to your Team Foundation Server 2013 Team Project Collection you get an error message saying that you are unable to connect because you need to be able to requires make requests on behalf of others.
Create a Portfolio Backlog hierarchy in Team Foundation Server 2013

There are many reasons that you would want to Create a Portfolio Backlog hierarchy in Team Foundation Server 2013 not least of which is modelling your existing processes.
Customise the colours in Team Foundation Server 2013 Agile Planning Tools
If you want to customise the colours in Team Foundation Server 2013 Agile Planning Tools you need to download and edit the Process Configuration file that tells TFS how to configure many of the features in the Web Access.
Upgrading to Visual Studio Scrum 3.0 process template in TFS 2013
You want to upgraded to the Visual Studio Scrum 3.0 Process Template in Team Foundation Server 2013 but you really want to upgrade your whole process template in place and not jut enable new features.
Engaging with complexity – SharePoint Edition

I have been working with a company in Silicon Valley that is doing one of the most complex Team Foundation Server migrations that I think I have ever seen. Just to pile on the complexity they also threw a SharePoint consolidation at me so I caught that as well.
Issue [ TFS 2012.2 ] Detaching collection fails on SnapshotIdentities with object reference not set to an instance of an object

When you try to detach a Team Project Collection in Team Foundation Server the process fails on SnapshotIdentities with an “object reference not set to an instance of an object” error. While this does not inhibit the execution of TFS there is likely a good reason that you wanted to detach and found this issue.
SharePoint 2013 Issue – After migration from 2010 user permission not working

Users coming from a SharePoint 2010 system that try to access SharePoint 2013 after a migration receive a “this site has not been shared with you” message. This mean that they are not able to authenticate to SharePoint 2013.
Writing .NET in PowerShell and creating TFS Teams

Did you know that you could be writing .NET in PowerShell? PowerShell can be used to instanciate and call any .NET object and that includes the TFS API.
Restore TFS backups from SQL Enterprise to SQL Express

You can get an error when trying to restore TFS backups that certain features are only supported on SQL Server Enterprise Edition.