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[EXO] The client and server cannot communicate, because they do not possess a common algorithm

  • Windows Server 2008 can’t do beyond TLS 1.0.
  • Newer versions can, but don’t have TLS 1.1 or 1.2 turned on by default.
  • Best pratice to disable 1.0, 1.1 – mostly depreciated and not supported

Check supported protocols:

https://www.ssllabs.com/ssltest/index.html

Turn off TLS 1.0.1.1 and SSL

Enabling TLS 1.2 Use

 

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