How to change or reset administrator account password on Cisco Secure ACS

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Resolution

In order to reset administrator password on Cisco Secure ACS, the administrator account needs to be reset.

Complete these steps to accomplish this task:

Note: This is only applicable on ACS for Microsoft Windows that runs on software version 3.3.3 or earlier. On ACS 4.0 or later, reinstallation is the only way.

1. Access the registry on your Windows server.
   
   
2. Delete admin account at this location:
   
   HKEY_LOCAL_MACHINE\SOFTWARE\Cisco\CiscoAAA##\CSAdmin\Administrators
   
3. Login to ACS and do not enter an administrator username or password.
   
   
4. Once logged in, set up a new administrator login and password.