if   serverPRoperty('servername')      @@servername   begin   declare   @server   sysname   set   @server   =   @@servername   exec   sp_dropserver   @server   =   @server   set   @server   =   cast(serverproperty('servername')   as   sysname)   exec   sp_addserver   @server   =   @server   ,   @local   =   'LOCAL'   end