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Former Member

Jco connection

Am getting the following error when trying to create jco connections. Please let me know what todo in this case.

The error displayed is..

com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=v011 GROUP=DEFAULT R3NAME=BIS MSSERV=sapmsBIS PCS=1 ERROR service '?' unknown TIME Fri Apr 21 09:20:41 2006 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -3 COUNTER 1

does it have anything to do with SLD?

how do i know whether SLD has been configured or not assuming that i have access only to portal. I assume it is not possible to know this since SLD has to be configured in WAS and the EP cannot contain this information.

Thanking in advance

sammer

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2 Answers

  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Jan 08, 2007 at 09:42 PM

    Hi

    What is your OS?

    For WIN2003 Server do the following:

    Go to C:\WINNT\system32\drivers\etc

    And add the line

    sapms<SID> 36<Instance Number>/tcp

    sapms<SID> 3601<Instance Number>/tcp

    Also create a publi logon group in the backend sap system

    Reboot the server and check

    Hope this helps

    Regards

    MS

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    • Former Member

      Hi Madhu,

      thanks, it worked, not with port 36<Instance Number> but with the messer server port of the backend system.

      Best regards,

      Nicole

      Message was edited by:

      Nicole Duespohl

      Message was edited by:

      Nicole Duespohl

  • author's profile photo Former Member
    Former Member
    Posted on Apr 21, 2006 at 04:13 PM

    Hi Sameer,

    Make service entry for sampmsC13 ( C13 = SID for R/3) on the J2EE host. and also Check whether PUBLIC group is availablein your R/3 System. Transaction SMLG.

    Give a system reboot for J2EE host.

    Regards,

    Vinoth

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    • Former Member

      Hi Vinoth,

      I have the same problem as described in this thread, but on a 700 basis. How do I change the serice in J2EE host. Can you give more details for the solution? I would need it very urgently.

      Thanks a lot,

      Nicole Duespohl

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