How to disable a custom web server certificate for SonicWall Management Interface from the CLI
In scenarios where an administrator has imported a Web Server certificate into the SonicWall and has assigned the certificate to the management interface, after restarting the appliance, access to the management interface is lost.
This KB article describes how to regain access to the management interface by disabling the certificate from being used for HTTPS management from the Command-Line Interface (CLI) of the SonicWall.
To watch a video tutorial on this topic, click here
Resolution or Workaround:
Login to the CLI of the SonicWall either through Console or SSH.
Change to the configuration mode by entering config
Enter the administration console by entering administration
Enter web-management certificate use-self-signed and press enter
Save the changes by entering commit
Try to access the management interface again and this time you will get the login page.