February 28, 2024
050222 1648 Fixaccessis1 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365
If you try to add organization at Veeam Backup for Microsoft 365, it happens Connect to PowerShell: Connecting to remote server outlook.office365.com failed with the following error message: Access is denied error, that's because Microsoft begin disabling Basic authentication for Outlook, EWS, RPS, POP, IMAP, and EAS protocols in Exchange Online.

If you try to add organization at Veeam Backup for Microsoft 365, it happens Connect to PowerShell: Connecting to remote server outlook.office365.com failed with the following error message: Access is denied error, that’s because Microsoft begin disabling Basic authentication for Outlook, EWS, RPS, POP, IMAP, and EAS protocols in Exchange Online.

Please follow below steps to fix it.

050222 1648 Fixaccessis1 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

1.Sign in Office 365 portal with Global Admin account.

2.Select Admin to open Microsoft Office 365 admin center.

050222 1648 Fixaccessis2 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

3.On the Microsoft 365 admin center, click Help & Support.

050222 1648 Fixaccessis3 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

4.On the How can we help page, search and select Diag: Enable Basic Auth in EXO.

050222 1648 Fixaccessis4 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

5.On the Run diagnostics page, select Run Tests.

050222 1648 Fixaccessis5 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

6.Verify the current Basic authentication settings to make sure Exchange Web Services (EWS) and Exchange Online Remote PowerShell protocol were be enabled, if not, select them from Protocol to enable.

050222 1648 Fixaccessis6 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

7.Select I acknowledge clicking “Update settings” will make the change(s) describe to the tenant configuration, click Update Settings.

050222 1648 Fixaccessis7 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

8.Re-try add Organization again, it should be fine now.

050222 1648 Fixaccessis8 - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

Hope you enjoy this post.

Cary Sun

Twitter: @SifuSun

Web Site: carysun.com

Blog Site: checkyourlogs.net

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ca16fbd3199de5f66b829b87082fb970?s=80&d=retro&r=g - Fix access is denied connecting to outlook.office365.com error at Veeam Backup for Microsoft 365

Author: Cary Sun

Cary Sun has a wealth of knowledge and expertise in data center and deployment solutions. As a Principal Consultant, he likely works closely with clients to help them design, implement, and manage their data center infrastructure and deployment strategies.
With his background in data center solutions, Cary Sun may have experience in server and storage virtualization, network design and optimization, backup and disaster recovery planning, and security and compliance management. He holds CISCO CERTIFIED INTERNETWORK EXPERT (CCIE No.4531) from 1999. Cary is also a Microsoft Most Valuable Professional (MVP), Microsoft Azure MVP, Veeam Vanguard and Cisco Champion. He is a published author with several titles, including blogs on Checkyourlogs.net, and the author of many books.
Cary is a very active blogger at checkyourlogs.net and is permanently available online for questions from the community. His passion for technology is contagious, improving everyone around him at what they do.

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Blog site: https://gooddealmart.com
Twitter: @SifuSun
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