Introduction
Add Device Failed! Device already exists in the current domain". even after an upgrade to cisco prime v2.0,
its a 8500 controller on 7.4 code, it doesn't exist in controllers unknown devices either.
Details
During new Cisco Prime Network Control System (NCS) installation, Two issues has been identified:-
1, When the controller was removed and tried to add back, received the following error message
"Add Device Failed! Device already exists in the current domain"
2, SSH using putty over to the NCS instance (server) gets to a login prompt but when entered a valid user name it instantly returns
"Access Denied"
Note:- Browser access is fine with several user names and passwords.
Solution
The above issue has been resolved by:-
- Check under Configure - Unknown Devices.
OR
- Upgrade to the latest NCS bundle.tar.
Details
Normally when you connect via SSH the user can be anything as long as you enter the proper password for The SSH configuration, then you will need to authenticate enable or a user with security level 15.
Also ensure your device is configured to accept SSH. The controller must always be cleared in the ROOT domain. The user for the SSH is "admin" and the root password you've set.
Debug Commands
The following debug commands are allowed:
debug client <client-mac-address>
debug pm ssh-tcp enable
debug pm ssh-appgw enable
debug pm rules enable
debug pm config enable
show client detail <client-mac-address>
debug pem event enable
Reference
Troubleshooting and Best Practices
Cisco NCS Overview
This document was generated from the following discussion: Cisco NCS Help
