The Microsoft Application Lifecycle Management blog is a great resource to help you stay informed of current announcements and guidance material.
If you are in the process of planning your move to Team Foundation Server 2015, be sure and reach out to your ADM who can help with training, guidance, and support throughout the effort to ensure a seamless deployment.
Here’s a helpful checklist from our friends on the ALM blog to help you get started:
- New Elements of TFS 2015 that influence an upgrade
- Long Lead Preparations
- Long Lead Checklist
- Short Lead Checklist
- Post Upgrade Checklist
You can find more information here: Upgrade your deployment to the latest version of TFS.