This article applies to:
Quest Coexistence Manager, Exchange

When you try to establish connection from Quest Coexistence Manager machine to an Exchange server you receive the following error:

Unable to contact the Exchange URL. Please verify the host is configured. SecureChannelFailure.


This will typically occur if the TLS security protocol is not enabled on both of the involed machines.

If this is the case Schannel Errors will be logged in Windows System Event log.


Use the solution described in article FAQ 000164 – How to fix Schannel error 36874

Dejan Foro