Is a PSCAD V5 License Compatible with Older Versions of PSCAD?

This article provides information on backwards compatibility for a PSCAD V5 license, for both lock-based and certificate licensing.

1. PSCAD V5 Lock-Based License

The following chart specifies how a PSCAD V5 lock-based license may be used with older versions of PSCAD.

PSCAD Version

 Supported with a V5 Lock
When Using Self-Licensing

   Supported with a V5 Lock
When Using a License Manager

v5.0.0...v5.0.2

v4.6.3 Updates 4 and 5

Yes Yes

v4.6.0...v4.6.3 Update 3

v4.5.0...4.5.5

Yes[1] Yes[2]

v4.3.0...v4.4.1

No Yes[2]

v4.2.1

Yes[3] Yes[2]

    Notes

  1. Licensing will work using the v5 lock, but it will not correctly be reported as being a PSCAD v5 lock license.

  2. User must upgrade to the Standalone License Manager 1.45 or better.

  3. Specifically supported with v4.2.1 (2007) with the 2020 Update installed.

Best Practices for Using PSCAD V5 Lock-Based Licensing

Please see this article for further details and information.


2. PSCAD V5 Certificate Licensing

The following chart specifies how a PSCAD V5 license certificate may be used with older versions of PSCAD.

PSCAD Version Supported with a V5 Professional License Supported with a V5 Educational License

v5.0.0...v5.0.2

Yes Yes

v4.5.4...v4.6.3

Yes Yes

v4.5.3

Yes  No

v4.2.1...v4.5.2[1]

 No  No

     Notes

  1. Not supported with Certificate Licensing.

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