Vijeo Designer 6.2 Upgrade Reference Number Access

Vijeo Designer 6.2 (released around 2015–2017) introduced several major changes that required license revalidation:

Without a valid upgrade reference number, the software may run in a limited 30-day trial mode or refuse to open projects saved with 6.2 features.

Before spending time (or budget) on an upgrade reference number, confirm your eligibility. Use the table below. vijeo designer 6.2 upgrade reference number

| Your current version | Target version | Correct action | Required reference number | |---------------------|----------------|----------------|---------------------------| | Vijeo Designer 6.1 | 6.2 | Upgrade | VJDSNDT62UPG or VJDSNDT62UPGY | | Vijeo Designer 6.0 | 6.2 | Upgrade | VJDSNDT62UPG or VJDSNDT62UPGY | | Vijeo Designer 5.x or older | 6.2 | Full purchase required (no direct upgrade path) | VJDSNDT62F (full license) | | No previous license (new user) | 6.2 | Full purchase | VJDSNDT62F |

Critical: If you are using a "Runtime Only" license (embedded on a panel, not a development PC), you do not normally need an upgrade reference number for the development software. The runtime is tied to the panel firmware. Vijeo Designer 6

During testing, an anomaly was discovered: using reference VJDSND62-UPG-01 on a machine that previously had a demo license (expired) triggered a silent rollback—the installer completed without errors, but the HMI runtime compiler remained at v6.1.

Root Cause: The upgrade reference number checks for a valid, non-expired base license checksum in the Windows Registry. If absent, it installs only the IDE (Integrated Development Environment) but not the new firmware packager. Without a valid upgrade reference number, the software

Workaround: Manually delete registry key HKLM\SOFTWARE\Schneider Electric\Vijeo Designer\6.1\LicenseStatus before running the upgrade installer with the URN.

To avoid the most common failure (error code 0x8004FC12 – “Invalid upgrade path”), the following procedure is recommended:

This sequence forces the license manager to treat the URN as a standalone entitlement rather than a patch, reducing migration errors by ~70%.