IIS - Change IP address - forbidden access

Hi,

I am hosting several sites on IIS 7.5 on Server 2008 R2.

The server has a local IP address - 192.168.0.2. All port forwarding goes through the router and all works fine.

I have a license file which is bound to our external IP address, meaning (i think) I need to change the bindings for each website so they are all  using the external IP.

I have gone to the network adapeter properties and added the second IP address.

The problem is, when I change the IP address from the internal to external IP in the bindings, I get the following error -

403 - Forbidden: Access is denied.

You do not have permission to view this directory or page using the credentials that you supplied.
Any ideas on this would be very apreciated!

Thanks
mbaughanAsked:
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jmanishbabuConnect With a Mentor Commented:
We should bind the license to the internal ip. It needs to be bound to something that the local adapters only. For servers, using MAC or IP of a local adapter is pretty much the same. If you need to replace the adapter or machine due to hardware failure, the IP address can be re-used by new hardware, but the MAC is adapter specific. But most adapters allow you to change the MAC address too, so it is really does not matter.
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