Change All Web Site's IP addresses

[CahitE]

I wanna change my server's location to another datacenter. And i want to know if there is a way to change all website's ip addresses on plesk linux .

Thanks

 

[IgorG]

http://kb.odin.com/en/943

 

[CahitE]

But i have added them before to plesk.
Now the ip address has no web site or custommer assigned but i could not select the check box for delete

 

[CahitE]

Thanks i've found on plesk kb pages