Express (Distributed operating systems), v8.0 > Secure applications and their environment > Authenticate users > Select a registry or repository > Manage realms in a federated repository > Virtual member manager > Troubleshoot and Support > Support issues and limitations > Authentication issues and limitations
Unable to log in
Follow these steps to troubleshoot when you are unable to log in.
Problem
You are unable to log in.
Solution
Check the following possible reasons for login failure:
- Ensure that the login ID that you are using exists and is valid.
- Verify that there is no duplicate entity with the same principalName in all of the repositories defined in the scope of the realm.
Related topics
Multiple entities with the same principal name
Unable to log in with a valid LDAP repository login ID
Unable to log in with a valid database repository login ID
Parent topic: Authentication issues and limitations