Indian Tech Community
Indian Tech Community

Jun 3, 2026

Two Exchange 2019 servers coexisting in one domain (temporarily), no DAG — has anyone actually done this?

CybersecurityExchange ServerSysadminSecurity

Can two Exchange servers coexist in the same domain and send/receive mail without a DAG configured, even temporarily during a migration? If yes, how? Looking for anyone who has tested this in a lab or done it in production.

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