I think it is a common problem that usernames in R/3 are different from the Portal username. This especially occurs when the Portal authentication is done to a LDAP Directory like Active Directory. We had this problem and here is a how to guide to setup a R/3 Reference system in the Portal to solve this problem.
A detailed description how the Usermapping works can be found in this /thread/15552 [original link is broken].
Logon to the Portal as an Administrator and open System Administration, System Configuration, System Landscape.
Parameter | Setting |
---|---|
Application Host | |
Gateway Host | |
Gateway Service | |
SAP Client | |
SAP System ID (SID) | |
SAP System Number | |
Server Port |
Important: If you enter a Gateway Service by name e. G. sapgw00 then you have to maintain also the file services in C:WINNTsystem32driversetcservices. For the R/3 Reference System the Gateway Host and Service must be maintained.
To test the Usermapping you can install the Portal Application coming with SAP Note 701205. It provides a IView to display the SSO Cookie Information. After you have installed the PAR in your portal you can access the URL http://portal.server:port/irj/servlet/prt/portal/prtroot/SSOSupport.default and click on “Send” then it will show you the MYSAPSSO2 Cookies for the R/3 User and Portal User.
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