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SharePoint Site Activation: The default K2 Server is unavailable

This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.
This article has been archived, and/or refers to legacy products, components or features. The content in this article is offered "as is" and will no longer be updated. Archived content is provided for reference purposes only. This content does not infer that the product, component or feature is supported, or that the product, component or feature will continue to function as described herein.


Unable to activate the site collection after upgrading to 4.7.


After upgrading to 4.7, the following error message appears: The default K2 Server ([INVALID_K2_SERVER_URL]) is unavailable. Please contact your K2 administrator for more information.


Troubleshooting Steps

1. Go to the K2 Settings list of the site to be activated.

      [SharePoint Site URL]/Lists/K2%20Settings
      eg. https://portal.denallix.com/sites/FinanceTeam/Lists/K2%20Settings

2. Ensure that none of the items have values that reference an invalid K2 server URL.