Case
Connecting to SharePoint Online sites (O365) using Client Side Object Model. There are certain ways to connect to SharePoint Online but we frequently use below,
- Using Client ID and Client Secret generated in SharePoint Online site.
- Using SharePoint Online credentials.
Problem Statement
Using Client Id and Client Secret, SharePoint Online Tenant level operations are not possible without Full Control on Tenant (Full Control is not advisable/recommended)
Only way to connect to SharePoint Online Tenant is using Online Credentials.
Scenario
Connecting to Online site (https://xxx.xxx.com) using Microsoft account ([email protected]) will throw the error mentioned below.
The Application ID (AppID) for which the service ticket is requested does not exist on the system.
Stack Trace connecting from Azure portal
C# HTTP trigger function processed a request.
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Solution
To connect to SharePoint Online, Online Credential should be Microsoft account.
E.g. [email protected]