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Firmware downgrade

Firmware downgrade

Downgrading from 5.3.26 to 5.x.x release is not fully supported and may cause data loss. Before downgrading, consult Fortinet Technical Support first.

If you do need to downgrade, follow the procedure below:

  1. Back up the 5.3.26 configuration.
  2. Install the older 5.x.x.
  3. In the CLI, enter execute factoryreset to reset the FortiVoice unit to factory defaults. Note that you will lose all of the FortiVoice configurations by doing so.
  4. Configure the device IP address and other network settings.
  5. Reload the 5.x.x backup configuration saved before upgrading to 5.3.26.

Firmware downgrade

Downgrading from 5.3.26 to 5.x.x release is not fully supported and may cause data loss. Before downgrading, consult Fortinet Technical Support first.

If you do need to downgrade, follow the procedure below:

  1. Back up the 5.3.26 configuration.
  2. Install the older 5.x.x.
  3. In the CLI, enter execute factoryreset to reset the FortiVoice unit to factory defaults. Note that you will lose all of the FortiVoice configurations by doing so.
  4. Configure the device IP address and other network settings.
  5. Reload the 5.x.x backup configuration saved before upgrading to 5.3.26.