Skip to main content
pchee
Staff
Staff
August 4, 2025

Technical Tip: FortiSandbox Office license become invalid after firmware upgrade

  • August 4, 2025
  • 0 replies
  • 173 views
Description

This article describes how to troubleshoot a FortiSandbox Office license that becomes invalid after a firmware upgrade.

Scope FortiSandbox before v5.0.1.
Solution

FortiSandbox experience Office key becomes invalid after firmware upgrade to v4.4.7.

 

Invalid.png

 

'New Office2021 Key SN#' format changed, causing mishandling of key format, rendering 'KEY_2021 invalid'.

 

To resolve this, continue upgrading to v5.0.1 (Resolved Issues 5.0.1) onward, as the new validation process fixes Office 2021 Activation.