How do I split CCR replication traffic from regualr traffic on exchange 207?

I have an Active-Passive CCR environemnt. I enabled an extra NIC on the servers so I can use it specifially for log replication. I ran this command:

Enable-ContinuousReplicationHostName -id MyCSName -TargetMachine Node1 -HostName Node1Repl -IPv4Address 10.28.2.11

I get this error:

Enable-ContinuousReplicationHostName : Cluster validation failed : The clustered mailbox server's specified IP address
(10.28.2.11) could not be used because it is already in use. Re-run Setup, and specify a unique IP address.
At line:1 char:37
+ Enable-ContinuousReplicationHostName  <<<< -id usatl01me200 -TargetMachine usatl01mh220 -HostName MH220Repl -IPv4Addr
ess 10.28.2.11

What am I doing wrong? 10.28.2.11 is the IP address fo the NIC I want to use for log replication.

thank you
cyberleo2000Asked:
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AmitIT ArchitectCommented:
Both NIC has to be on different subnet. Check the steps
http://www.howexchangeworks.com/2009/06/installing-exchange-2007-ccr-on-windows.html
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cyberleo2000Author Commented:
My server is Windows 2003. Your saying to change the 255.255.255.0 subnet of the new NICS to something else, say 255.255.0.0, then run this?

Enable-ContinuousReplicationHostName -id MyCSName -TargetMachine Node1 -HostName Node1Repl -IPv4Address 10.28.2.11
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cyberleo2000Author Commented:
my public network (Onboard Port 1) is 172.x.x.x
my heartbeat network (PCI Port B) is 10.27.2.11
The new one I created (Logs - PCI Port A) is 10.28.2.11

all have subnet 255.255.255.0

I changed the subnet on Logs - PCI Port A to 255.255.254.0 but I still got the same error regarding the IP address when I run:

Enable-ContinuousReplicationHostName -id MyCSName -TargetMachine Node1 -HostName Node1Repl -IPv4Address 10.28.2.11
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