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Firmware upgrade path for SonicWall Email Security Solutions
11/26/2020 192 15902
The upgrade path for Email Security Appliances is:
- 9.0.X (Upgrade to the latest version in the 9.0 branch which is 9.0.6)
- 9.1.X (Upgrade to the latest version in the 9.1 branch which is 9.1.3)
- 9.2.X (Upgrade to the latest version in the 9.2 branch which is 9.2.2)
NOTE: Firmware version 9.2.x and newer are only supported on 64-bit platforms
TIP: After every upgrade step, let the ES Appliance process mail for at least 30 minutes before completing the next step in the upgrade path.
CAUTION: Skipping a version in the upgrade path will result in file corruption that may render the appliance unusable.