2846257 - Error "Cannot connect to server using message server" occurs during Integration Builder logons

You are using VPN to connect to SAP PI/PO system. There is no problem to open the web pages like NWA, SLD..However when you are trying to open Integration Builder tools (ESR or ID), you are getting the error:

Cannot connect to server using message server:
ms://<mesage server hostname>:<message server port>/P4

In the java console log, the following error details are recorded:

Thrown:
com.sap.aii.utilxi.misc.api.ReconnectRuntimeException: Cannot connect to server using message server: ms://<message server hostname>:<message server port>/P4
at com.sap.aii.ib.clsif.login.EJBHomeFactory.initRemoteFactory(EJBHomeFactory.java:153)
at com.sap.aii.ib.clsif.login.LoginServiceImpl.login(LoginServiceImpl.java:227)
at com.sap.aii.ib.clsif.login.LoginServiceImpl.login(LoginServiceImpl.java:165)
at com.sap.aii.ib.clsif.login.LoginServiceImpl.login(LoginServiceImpl.java:153)
...
Caused by: com.sap.engine.services.rmi_p4.P4IOException: No alive connection. Check state of the server

Read more...

• PI Release Independent
• SAP NetWeaver
• SAP Process Integration

SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Process Integration 7.1 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 1 for SAP NetWeaver Process Integration 7.1

ESR, ID, VPN, P4, network, message server, Enterprise Services Repository, Integration Builder, Integration Directory, Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, NetWeaver, XI, AEX , KBA , BC-XI-IBC , Integration Builder - Configuration , Problem