Error message linking to TFS

Hi, we have SQL Source Control 5.7.6.6321 running in SSMS 17.9.1 linking to an instance of TFS v15

It used to work, but I haven't looked for a while, and we have had some changes to firewall rules, proxy server settings, and possibly disabling older TLS versions since it was last running successfully

I now get an error -

Team Foundation Services are not available from server [url]

The underlying connection was closed

System.ComponentModel.Win32Exception: The client and the server cannot communicate because they do not possess a common algorithm

Can you suggest what settings are likely to be the problem and what I should do to resolve it?

Helen October 20, 2021 09:45

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2 comments

Hi @Helen

Looking around online I can't find any exact references to TFS for this exception, however, it commonly points to TLS versions: https://knowledge.broadcom.com/external/article/162386/the-client-and-server-cannot-communicate.html

DanC October 21, 2021 11:47

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Thanks, I'll look into what options I have on TLS settings

Helen October 22, 2021 10:11

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Error message linking to TFS

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