Issue Description

Every 30 days the Azure Active Directory security token expires due to rollover, locking users out of K2 completely and presenting an error.

Error Message

The following error is presented: “WIF10201: No valid key mapping found for securityToken”.


The Azure certificate rollover issues new authentication certificates of which the new thumbprints do not match the previous certificate thumbprint.


  1. Ensure you have K2 Five (5.1) installed.
  2. Download the K2 Five (5.1) FP23 from K2 Partner and Customer Portal.
  3. Install the K2 Five (5.1) FP23 to apply the fix.
  4. It is recommended to refresh the browser cache.