similar question to Visual Studio Online migration (VSO to VSO) - however we\'re looking for more than just source code migration. We\'d like to take everything, code, work
Microsoft partnered with OpsHub to support this scenario. This recommended over using the TFS Integration Tools.
OpsHub provides a free version of their tool which you can find here. This tool supports migrating:
If you need more features, like migrating a customized process template you'll need to use the paid edition.