Symantec Epm 11.0.2000 : adding the additional site problem

Dear All,

I am using the Symantec Endpoing Protection manager 11.0.2000 , and i want to move the server to another server with diffent IP  Diffrent name , i get the one of the artical of the symantec that show how to add the aditional site & that move on to new site & delete the old one after moving all policy & database,

http://www.symantec.com/business/support/index?page=content&id=TECH104389&profileURL=https%3A%2F%2Fsymaccount-profile.symantec.com%2FSSO%2Findex.jsp%3FssoID%3D1358243820734B702pyq64k2vT7bpiuoziTf3In9018uq06TTm#

i am doing all stem by step, after install the same version EPPM opn the another mactine done, that itry to add the aditional site with the emabded database , but when it goes to syncronize the database , but fail with the error 'Unable to connect the specified server' , i can reach to that old server , both are in same LAN

Please suggest