Exchange 2010–Mailbox DAG–Based Practice Network configurations

The table below shows recommended best practice on how to configure network cards for Mailbox Servers within one DAG

Adaptor Component	MAPI NIC Setting	Replication NIC Setting
Client for Microsoft Networks	Enabled	Disabled
QoS Packet Scheduler	Optional	Optional
File and Printer Sharing for Microsoft Networks	Enabled	Disabled
Internet Protocol Version 6 (TCP/IP v6)	Optional	Optional
Internet Protocol Version 4 (TCP/IP v4)	Enabled	Enabled
Link-Layer Topology Discovery Mapper I/O Driver	Enabled	Enabled
Link-Layer Topology Discovery Responder	Enabled	Enabled
Register Connection in DNS	Enabled	Disabled
Default Gateway	Enabled	Disabled (use static routes)

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