Why do I get a 403 Forbidden message in SharePoint?
You’ll get a 403 (forbidden) message when attempting to make a call to SharePoint by using a test certificate. On the computer where you have SharePoint 2013 installed, you can turn off the HTTPS requirement during development by using the following Windows PowerShell cmdlets.
How can executequery CSOM from SharePoint Server matter?
The root cause was “$profile” loading the Server Object Model (SOM) cmdlets before CSOM DLL were loaded. Why would that matter? How could it cause a CSOM issue?
Why is executequery CSOM not working in Office 365?
I came across this error when running CSOM requests to Office 365. While troubleshooting the CSOM call worked beautifully from “powershell_ise” but not regular “powershell.” Fiddler monitoring showed the cmdlet making HTTP traffic correctly with login handshake from ISE.
How does SharePoint Server 2013 resolve security claims?
SharePoint Server 2013 takes the claims from the incoming security token and resolves it to a specific SharePoint user. By default, SharePoint Server 2013 uses the built-in User Profile service application to resolve the identity.
Why is my high trust app not working?
If you are using Windows claims mode for user authentication and the web application is configured to use only Kerberos authentication without falling back to NTLM as the authentication protocol, then app authentication does not work.
Do you need a context token in high trust app?
In a high-trust app, there is no context token, even if you use the appredirect.aspx file. The context token is specific to configurations that use Windows Azure Access Control Service (ACS). However, an access token is still required.
Can you turn off https in SharePoint 2013?
Turning off HTTPS might cause you as a developer to miss certain issues when building an app that would occur during a production deployment where HTTPS is required. now you read the note, read the issue that your having! OAuth now requires SharePoint to run HTTPS, not only for your service but also for SharePoint 2013.