I have installed Ms Exchange 2003 Front end server in my existing domain. Due to performance issue I have reinstalled a server with same name and configure it again as front end server. I have followed step by step guideline to remove exchange server (front end server) from active directory domain. And again join it into domain and after configuration it is still working fine. But the problem is by a week I am seeing in my Exchange System Manager two name of front end server one is ExchangeFE(which is my front end server name) and the another one is ExchangeFE CNF:46f573e1-59ad-4451-8910-7ec26e2b8c98 in Exchange System Manager-Administrative group-First Administrative group-Server-ExchangeFE, ExchangeFE CNF:46f573e1-59ad-4451-8910-7ec26e2b8c98.Now I want to know how can I remove ExchangeFE CNF:46f573e1-59ad-4451-8910-7ec26e2b8c98 from Exchange System manager. Is it simple right click and delete or any process to remove the server name? I am worried because my front end server(ExchangeFE) is in production now. So Should I need to take any precaution to remove the server from exchange system manager for deletion? If it is so then please suggest me how to remove and the process.