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  • Hi Experts
    I am using new to exchange 2010 hybrid environment.

    We create users in exchange onprem and migrate to cloud, what funcationility do CAS play in hybrid environment. What i understand is CAS communication includes message transport and messaging features between the on-premises and Exchange Online

    Do exchange 2010 CAS servers listen to port 25?

    Can the ports 80 & 443 disabled on cas servers?



    • Edited by Risingflight Tuesday, February 18, 2020 7:51 AM f
    Tuesday, February 18, 2020 7:50 AM

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