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MC289953: Users may need to take action to access OneDrive for Business from

We’ve identified and corrected an issue with users’ ability to access OneDrive for Business through the navigation menu. This issue was caused by a recently deployed code change and while we’ve resolved the underlying issue, action is required to mitigate the impact for affected users. We previously communicated this issue to you via OD289670 in the Service Health Dashboard.

MC289953: Users may need to take action to access OneDrive for Business from

Affected Workloads

  • OneDrive for Business

What actions do you need to take

To fix this problem, affected users need to access OneDrive for Business directly via your specific tenant host URL. Users only need to complete this action once to self-mitigate this issue, as doing so manually pushes the UPN changes to Azure Active Directory. Once complete, users will be able to access the service from as expected.

How this will affect your organization

If you don’t take action, users who had their User Principal Name (UPN) updated between September 18, 2021, and October 2, 2021, will be unable to access OneDrive for Business through the navigation menu.

Message ID: MC289953
Published: 07 October 2021
Updated: 22 October 2021
Action required by date: 14 October 2021
#OneDrive #AdminImpact #UserImpact

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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