Using Classic Outlook on Windows for personal email, calendar, and contact management
Hi Sapna,
This issue was posted to the Service Health Dashboard (SHD) as incident EX212047 Start time: Monday, May 4, 2020, at 7:00 AM UTC. User Impact: Users may receive repeated credential prompts within the Outlook client.
Current status: We've developed a fix and we're performing extensive validation to confirm that it'll resolve the issue. We expect to begin deployment of the fix within the next 14 hours.
Tenant administrators can view current information and updates on SHD at the link here
https://portal.office.com/AdminPortal/Home#/servicehealth
If you are experiencing a similar issue and do not see an SHD post, please let us know by sharing your tenant information via Private Message (PM) as this may indicate either a scoping issue or an independent problem.
For affected customers to easily identify the information here, this thread will be closed. You may subscribe to this thread or refer to SHD for updated information. I will also post back here once the issue is resolved on SHD.
Best regards,
Shyamal