Step 1 : Open NetWeaver Administrator via the following URL:
Step 2 : Select the tab Configuration Management
Step 3 : Select Infrastructure Management
Step 4 : Select Java Http Provider Configuration and after that Logon Groups
Step 5: Check if the alias or context-root of the application is added into a certain Logon Group.
If yes, the requests to this application should be served only by instances which are also in this Logon Group.
Tags: logon groups NWA, How to check Logon Groups configuration through SAP NetWeaver Aministrator NWA