Exchange 2016 LB Error: "HTTP 1.1 service unavailable"

Exchange 2016 LB Error: "HTTP 1.1 service unavailable"

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Article ID: CTX224387

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Updated On:

Description

NetScaler 11.0--------An error setting up exchange VIP "http 1.1 service unavailable"

Resolution

Disable TLS 1.2 on NetScaler service/service group as workaround

Problem Cause

TLS 1.2 Handshake breaks because of the ciphers sent on the client hello are not configured on the server for TLS 1.2