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Windows Server 2008 using multiple static IP addresses


Yesterday, I ran in an issue with the Windows 2008 server when binding multiple IPs.

It appears that the numerically lower IP becomes the “main” IP of the server, even when it’s specified as an “additional” IP. As you can imagine, this becomes a problem very quickly as the firewall rules have been configured for a specific IP, and suddenly it’s different.

Server 2003 did not exhibit this behavior.

After performing the steps as below, I could resolve that issue successfully.
– Install SP2 (May be required)

– Hotfix Install (KB975808)

– Remove all existing VIPs

– Re-add all VIPs using the command – Netsh int ipv4 add address “Interface Name” <ip address> <subness mask> skipassource=true

HTH,

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