If you get an error like “Name or password is incorrect. Repeat Logon” while using and RFC connection then you should check the tcode SM59 like below…

First go to SM59 and do a “Test Connection” to related “RFC defination”

You should get a screen like below otherwise you have to check your connection between two system

Now we should check the “Authorization” via following steps

Utilities –> Test –> Authorization Test

If you get a screen like below

Then we have to check “Username and Password” definations.

Go to “Logon & Security” tab and check the “Logon” area informations.

If everthing is OK then we should repeat the “Autohorization Test” and get the following screen.

Problem is solved…