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SAP GUI cannot connect to SAP service for NW ABAP trial


I had successfully installed trial version of SAP NW ABAP AS Trial server . Thanks to SCN forum.

But now when I try to logon using SAP gui i am getting following error message as in attached screenshot.

for informaiton,

I have a loopback adapter and SAP GUI was also installed successfully.

What I suspect here is that I dont have a static IP address will this be causing issue.

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  • Best Answer
    Posted on Dec 11, 2014 at 02:01 AM

    Hello Ashok,

    First of all please make sure SAP system is running fine. For windows OS, please check you have green light in MMC and for unix please execute "sapcontrol -nr <instance number> -function GetProcessList" to see the status of each sap processes.

    In case there is no any problem with SAP system, then we try some efforts with SAP Logon.

    1. create a new entry to NSP in SAP Logon with Application server instead of message sever (group logon).

    2. if 1 works, check you have correctly maintained sapmsg.ini.

    3. if 2 has no problem, check hosts and services files have been correctly maintained. The files are located in C:\Windows\System32\drivers\etc.

    Hope the information is helpful.

    Best regards,

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