SharePoint Provider Hosted Add-In having CORS and Kerberos Issues

We have recently been implementing some Provider Hosted Add-Ins as Add-In Parts and had to face some pretty nasty issues. I want to describe some background around our findings and maybe help you to navigate around the obsicles we hit hardly using client side code such as Java Script and Angular in our Add-In. Basic […]

O365 – Error when creating a Sitemailbox

When creating a Sitemailbox in O365 you may receive an error while the mailbox is created such as: The site mailbox couldn’t be provisioned. The property „DisplayName“ with value „Testproject “ is invalid. The value can’t contain leading or trailing whitespace. In this case the error message is somehow misleading. Yes, tailing white spaces are […]