Migration from TF Service to TF Server with the TFS Integration Platform
Guide to migrating data from Team Foundation Service to Team Foundation Server using the TFS Integration Platform, including user and work item …
TL;DR; Migrating from on-premise TFS to Visual Studio Online involves several scenarios like consolidating or splitting team projects, each with unique challenges and limited tool support. The current migration process is complex and not fully addressed by Microsoft, but resources are available to help map tools to specific needs. Development managers should review the linked guide to understand their options and prepare for potential manual steps or workarounds.

I have recently been doing a lot of migrations and Willy asked me to write a white-paper about understanding TFS migrations from on-premise to Visual Studio Online.
On writing and understanding TFS migrations from on-premise to Visual Studio Online we found that the story was so poor that we broke it into two parts. The first part is ready and focuses on what the options are and the stories for migrating. Its interesting as many people believe that it is Microsoft’s job to provide tools to migrate from any other product into their own product. While I would love to agree there are just way to many products out there to make that a realistic situation.
We kind of looked at a number of scenarios:



Like I said the story is not currently that good but you can read about each of the scenarios and see what the main issues are. We have also mapped tools to scenarios so that you can try to get started solving whatever your problems are:
The ALM Rangers will also be releasing a walk-through for the simplest of migrations which is to use Excel for work items and do a tip migration of code. That will be coming real soon.
If you've made it this far, it's worth connecting with our principal consultant and coach, Martin Hinshelwood, for a 30-minute 'ask me anything' call.
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