Issue

While on K2 5.0, K2 Windows STS was disabled through K2 Management > Claims > Issuers. However, this setting was changed after upgrading to K2 5.1.

Symptoms

Before upgrade to K2 Five 5.1

On K2 Management > Claims > Issuers, K2 Windows STS is disabled and K2 Form STS is enabled:

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Linked Issuers to K2 Form STS:

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After upgrade to K2 FIVE 5.1, K2 Windows STS is enabled:

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Resolution

This issue has been logged as a bug to be fixed in a future release.