CNAMES issue on IIS


I have a win2008 server which running IIS and say the server IP(i.e was registered with, and I also have other CNAMES like and registered for the same IP. Now I need to re-register to another IP. is there anyway that I can still keep and continuing served by the IP 721.5.5.5?

Please provide detailed instructions.
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CNAME records point to a dns name, if you want to have those names point to the old IP then create new A records pointing them there and delete the old cname record pointing them to

Here is some info no how cnames work:
mrongAuthor Commented:
I think I missed something... the will be set up on another server and register with a new IP address...
Please let me know if the following steps will work in my case.

1. delete the records for to the old IP ( and make default site as  
2. create a new records for  to the old IP and keep  there
3. register with the new IP
Ok I think I know what you want to do:

Keep the current site up until the new new server is up and running ?

If so then simple:
Step 1 create a new A record for pointing to
Step 2 create a CNAME for pointing to
Step 3 create a CNAME for pointing to
Step 4 Delete the CNAME for
Step 5 create a new A record for pointing to the new IP
Step 6 (If needed) change the CNAME for & to point to the new site

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mrongAuthor Commented:
step 6 won't be necessary since & will stay on the old server(
my old server has server name myname. Do I need to change it to myname1during the changes?
Without a better idea of what your environment is like, this is hard to answer.

However if this is just  website, there should no need to change the server name.
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