FAQ 000166 – Quest Coexistance Manager unable to connect to Exchange Server – Secure Channel Failure

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. CAUSE This will typically occur if the TLS security protocol is not enabled

FAQ 000164 – How to fix Schannel error 36874

This article applies to: Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2,  Windows Server 2016 Exchange 2013, Exchange 2016 PROBLEM You experience connectivity issues in Outlook or 3rd party applications when connecting to your Exchange server. In Windows System Event Log on the Exchange server machine, you see

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