How to Configure the Public Network in an Exchange Cluster

On a server running Windows 2000: In Control Panel, double-click Network and Dial-up Connections. In Network and Dial-up Connections, right-click <Network Connection Name> (where Network Connection Name is the name of your public network connection), and then click Properties.

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On a server running Windows Server 2003: In Control Panel, double-click Network Connections. In Network Connections, right-click <Network Connection Name> (where Network Connection Name is the name of your private network connection), and then click Properties.

On a server running Windows 2000: In <Network Connection Name> Properties, on the General tab, under Components checked are used by this connection , ensure that the Internet Protocol (TCP/IP) check box is selected.

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On a server running Windows Server 2003: In <Network Connection Name> Properties, on the General tab, under This connection uses the following items, ensure that the Internet Protocol (TCP/IP) check box is selected.

Select Internet Protocol (TCP/IP), and then click Properties.

In Internet Protocol (TCP/IP) Properties, click Advanced.

In Advanced TCP/IP Settings, on the DNS tab, verify the following information:

• Under DNS server addresses, in order of use, ensure that all of the required addresses are listed.
  

Under Append these DNS suffixes (in order),ensure that the correct suffixes are listed.