Blank page appears when opening the K2 for SharePoint App
kbt143652
PRODUCTK2 blackpearl
TAGSK2 for SharePoint (WSS)
SharePoint
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.
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This article has been archived, and/or refers to legacy products, components or features.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.
Issue
When opening the K2 for SharePoint App deployed on the App Catalog, you are redirected to a blank page.Symptoms
Running a network trace shows that a 401 Unauthorized error is returned when opening the K2 for SharePoint App.Troubleshooting Steps
You can resolve this issue by configuring a loopback check on your SharePoint Central Admin and WFE servers using the steps below:
- Open the Registry Editor
- Navigate to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlLsa
- Check if you have an entry with a name equal to DisableLoopbackCheck
- If you do, ensure that Data = 1
- If not, please add it as follows:
- Right-click on Lsa
- Select New > DWORD
- Type DisableLoopbackCheck
- Right-click on DisableLoopbackCheck
- Select Modify...
- Assign a value of 1
- Click on OK
- Close the Registry Editor
- Restart the server.