When trying to connect to TFS on-premise and get a list of project - error appeared:
Error screenshot
All logs in attachment by ref: https://pastebin.com/x2MmEQTE
Please help to resolve
Based on the description of OpsHub tool: OpsHub Visual Studio Online Migration Utility, the TFS 2008 isn't included.
The utility supports the following versions of Team Foundation Server: 2010, 2012, 2013, 2015 and 2017.