Rfc - Tms Alert Error Message

error message -----------------1) rfc communications error with system/destination [email protected]_prd connection to host ibs-devp, service sapgw00 timed out /cpi-c error cm_product_specific_error. cause -------1) move sap server to new server that change ip address (not change host name)

how to solve ------------1) check the rfc connections for tms in sm59. do a connection test. this message will be displayed; 1. [email protected]_prd : connect fail show message "connection to host ibs-devp, service sapgw00 timed out" 2. [email protected]_prd : <error is same dev> 3. [email protected]_prd : connect it ok. 2) go to sm51 > refresh host name buffer (stores the ip address)