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Connect to message server host failed (NW2004s AIX )

Hi All

i just installed Nw2004s on AIX Operating System.

When i test a JCO then i get this error.

com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=p550b GROUP=SPACE R3NAME=PD8 MSSERV=sapmsPD8 PCS=1 ERROR service 'sapmsPD8' unknown TIME Tue Nov 6 08:59:20 2007 RELEASE 700 COMPONENT NI (network interface) VERSION 38 RC -3 MODULE nixxhsl.cpp LINE 776 DETAIL NiHsLGetServNo: service name cached as unknown COUNTER 1

I know how to get rid of this in Windows (C:\WINDOWS\system32\drivers\etc\services).

How to get rid of this in AIX , Which File to Edit?

Regards,

Rajendra

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  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Nov 06, 2007 at 05:10 AM

    Hi,

    Check in the /etc/services

    Regards

    Ayyapparaj

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  • author's profile photo Former Member
    Former Member
    Posted on Nov 09, 2007 at 02:44 PM

    Hi Rajendra

    check in <b>drivers\etc\services\sapmsPD8 3600/tcp</b>

    here you need to some points

    1)sapmsPD8 is your SID of your back end R/3

    2) 3600

    36 is the messege server

    00 is the instance number.. if you have many instances then this number will increase ie. 3601,3602

    3) As you are using TCP you need to mention tcp along with message server and instance. other than TCP there will be UDP

    4) Actaully you need to make entry of sapmsPD8 in your portal's services beacuse you are telling the portal that this PD8 of R/3 is going to access the portal

    5) If you have many R/3's you need to have those many entries in your portal services file

    6) The best case to consider is FPN. Its Federated Portal Network. means. there will be many back end system but only one central portal server. so you need to enter only one entry..this is a very rare case

    Best Regards

    Chaitanya.A

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