How to recover the admin password for Grandstream IP PBX UCM

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Description

If you’ve forgotten the Web UI admin password for your Grandstream PBX UCM63XX, you can recover or reset access by email or performing a factory reset.

Method 1: Recover via Email (Recommended)

If you previously configured a recovery email address, follow these steps:

  1. Go to the UCM Web UI login page.
  2. Click on the “Forget Password” link.
  3. A password recovery email will be sent to the email address linked to the admin account (configured under Maintenance > User Management).

Tip: It is strongly recommended to set up the recovery email address during the initial setup phase to simplify future password recovery.

                                                     Figure 2. Configure Email Address for the user Admin
Figure 3: User will receive the email with the admin password
                                              Figure 3: The user will receive the email with the admin password

Method 2: Perform a Hard Reset (If No Recovery Email Configured)

If no recovery email is set, you will need to perform a hard reset using the UCM’s LCD screen.

  1. Initiate a factory reset from the LCD interface.
  2. After the reset, log in using the default admin credentials.

Regular Backups Save Time

To avoid loss of important settings, it’s highly recommended to schedule regular configuration backups. Backups can be exported and saved securely, making future restorations fast and hassle-free.

Backup Location:
  • Navigate to Maintenance > Backup/Restore to configure backup schedules and export files.

Conclusion

Recovering or resetting the admin password on a Grandstream UCM is straightforward if you’re prepared. Configuring a recovery email and scheduling regular backups are essential best practices to ensure uninterrupted access and proper troubleshooting in the future.