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.
When attempting to register the K2 for SharePoint app, we receive the following error at the last step (K2 Application).
"Thread 1: The remote server returned an error: (403) Forbidden."
SharePoint environment is not fully configured to support HTTP.
On the SharePoint front-ends, please run these SharePoint PowerShell commands and retry the activation.
# Dev Only - Disable HTTPS requirement on SharePoint
$stsc = Get-SPSecurityTokenServiceConfig
$stsc.AllowMetadataOverHttp = $true