{Solved} Getting 401 unauthorized error using SharePoint add-in app authentication

Hello everyone and welcome to my blog. In today’s blog we will discuss how to resolve 401 unauthorized error when using SharePoint Add-in app for authentication. If you are not aware of SharePoint Add-in app only authentication, I recommend to go though this Microsoft article. Now coming back to the problem statement. I was using...
The post {Solved} Getting 401 unauthorized error using SharePoint add-in app authentication appeared first on Debajit's Power Apps & Dynamics 365 Blog.
Published on:
Learn moreRelated posts
Microsoft Viva: Community feeds improvements
Align the community feeds default experience with expected user behaviors; support triage and content review for users who want to read every ...
Microsoft Teams: Chat with anyone who has an email address
Start a chat with anyone who has an email address, even if they’re not on Teams! They’ll receive an email inviting them to join yo...
Microsoft Teams trials in the EEA duration limit updates
Starting November 1, 2025, Microsoft Teams trials in the EEA will be limited to 31 days to comply with regulatory changes. Existing trials ove...
Learners can now unfurl Learning Paths directly in Viva Learning Academy 2.0
Viva Learning Academy 2.0 now allows learners to unfurl Learning Paths directly within the Academy interface, improving access and navigation....
Microsoft Dynamics 365 Customer Experience Analyst : Configure Teams collaboration
Teams Collaboration in Dynamics 365 Sales enables seamless communication and teamwork directly within the sales process, allowing sellers to c...
Microsoft 365 & Power Platform Call (Microsoft Speakers) – October 14th, 2025 – Screenshot Summary
Call Highlights SharePoint Quicklinks: Primary PnP Website: https://aka.ms/m365pnp Documentation & Guidance SharePoint Dev Videos Issues...
Microsoft Teams: Agent and bot support for Entra authentication in group chats
Microsoft Teams group chat agents and bots will support Entra authentication starting November 3-6, 2025. Users without the Teams app or Entra...
Microsoft Defender for Office 365: Enhancing the quarantine experience for administrators
Microsoft Defender for Office 365 is enhancing quarantine for admins by listing messages by individual recipients, improving backend durabilit...
Microsoft 365 Copilot app: AI video generation now available in Create
Microsoft 365 Copilot now offers AI video generation in the Create experience for all Copilot Chat users without a license, using natural lang...