Last Updated: February 3, 2022
After the release of the new WebView based Room Finder, you may receive the following error: Server Error: 401 – Unauthorized: Access is denied due to invalid credentials.
Important: This fix does not apply to Outlook for Microsoft 365 GCC High. This issue has been fixed in all other tenants.
This issue has been fixed in Current Channel Version 2109 (Build 14430.20306) and in Semi-Annual Enterprise Channel Version 2108 (Build 14326.20692).
To find the most current build number for each update channel, refer to Office Update History
To install the update, follow the instructions here: Install Office updates
Ask the experts
Connect with experts, discuss the latest Outlook news and best practices, and read our blog.
Get help in the community
Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users.
Suggest a new feature
We love reading your suggestions and feedback! Share your thoughts. We're listening.