Add Server in SAP GUI for Lease Line
Goto following path:
C:\Windows\System32\drivers\etc
Now Copy the services file to desktop Screen
Now add following entry in the end of this file which is highlited in Yellow :
Entry is
sapmsPE1 3603/tcp
Screenshot :
Now copy the services file from desktop which you have edited and paste it in
C:\Windows\System32\drivers\etc , here click on Move and Replace
Now Enter this Entry:
Description : RVPN ERP PRD
System Id : PE1
Message Server : 10.189.0.80
Now it will automatically takes the value of Group/Server and Instance Number then click on Finish
Now Login to Production Server using this Connection