Sophos CAA (Client Authentication Agent) Issue.

Dear Experts,

We are using Sophos CAA (Client Authentication Agent) v2.0.1 to Authenticate our users for accessing the Internet, Now we're in the process of hardening our AD by implementing Microsoft Baseline Security policy on our Domain Controller and want to disable NTLM, during the test we found that Sophos CAA stop working (Grey) on the Client PC's ,after some findings we came to know the issue is with NTLMv2 require NTLMv2 session security between client and server. Does Sophos CAA support NTLMv2 ?. how can i resolve this issue.