Cannot delete or modify existing users created locally. Error: "Update failed"
Description
When trying to delete or modify an existing user, the following error message appears on the browser: "Update failed". However, it may be still be possible to create, delete and modify new users.
Cause
The main reason why this could happen is due to a improper firmware installation, especially after a downgrade. Please note that downgrading firmware is not supported.
Resolution
After it has been determined that a downgrade has been performed the only solution is to boot the SRA/SMA appliance to a currently supported firmware with factory defaults settings. From there, one of two steps can be performed:
- If available, import a known good backup configuration file that was exported on equal or lower firmware, and has settings that never went through a 'downgrade',
- Rebuild the settings manually.
Note: "import of a known good backup configuration file" means that if you boot the SonicWall to a lower version of firmware with factory defaults, you cannot import a settings file that has already gone up to a higher version of firmware at any point.
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