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#Outlook 2010 exchange online password not accepted password#
#Outlook 2010 exchange online password not accepted windows#

Go into Outlook - File - Info - Account Settings - Double click the Exchange Account - More Settings - Security Tab Don’t forget to follow us and share this article.From your description, you can try the following ways:ġ. The registry key will force Outlook to make use of Modern Authentication.ĭid you enjoy this article? You may also like Hybrid Configuration Wizard fails to connect. After that, configure a registry key on the systems that use Outlook. The solution to this problem is to enable modern authentication in Microsoft 365 admin center.

#Outlook 2010 exchange online password not accepted password#

In this article, you learned why Outlook prompts for password after migration to Office 365. Keep on reading: Complete migration batch with PowerShell » Conclusion Outlook client is not prompting for password anymore, and it connects immediately. Click OK.Īfter the change is applied, start Outlook. Go to the path: HKEY_CURRENT_USER\Software\Microsoft\ExchangeĪdd the name AlwaysUseMSOAuthForAutoDiscover with the value data 1.

If that works, roll it out with a Group Policy Object (GPO).Įxit Outlook and start Registry Editor on the system that is having the problem. I recommend to add the registry key for the user only and start Outlook. Add registry key AlwaysUseMSOAuthForAutoDiscover Was modern authentication already enabled? That’s great and proceed further. Click on Save.Īfter enabling modern authentication, follow the next step.

#Outlook 2010 exchange online password not accepted windows#

At the top, click on Services, scroll down, and click on Modern authentication.Ĭheck the checkbox Turn on modern authentication for Outlook 2013 for Windows and later (recommended).

In the left-hand navigation, click on Settings and follow with Org settings.

Add a registry key on the computers to force Outlook to use the newer authentication methodĮnable modern authentication in Microsoft 365 admin center.

Enable modern authentication in Office 365 admin center.

Outlook doesn’t use modern authentication to connect to Office 365. Note: From August 1, 2017, modern authentication is enabled by default for Exchange Online and Skype for Business, and SharePoint Online.

You migrate your mailbox to Office 365 from an Exchange server that Outlook connects to by using RPC.

Microsoft Outlook connects to your primary mailbox in an on-premises Exchange server by using RPC, and it also connects to another mailbox located in Office 365.

Why did Outlook not accept the credentials, and what is the solution for Outlook prompts for password after migration to Office 365? Solution for Outlook prompts for password after migration to Office 365Ī couple of scenarios of how this can happen: The only Exchange Server that is going to stay on-premises is the Exchange Server 2016. After the migration to Office 365 completes, the decommission of Exchange 2010 servers will start. The Exchange Server 2016 is going to be the Exchange Hybrid server.

Looking at the organization, we can see that three Exchange Servers are running: Filling the credentials will not help you because it keeps asking for credentials. After waiting for minutes, a prompt shows up to enter credentials.

After you finish completing the mailbox to Office 365, the user starts Outlook. The mailboxes/mailbox databases are currently on Exchange 2010. Outlook prompts for password after migration to Office 365

Add registry key AlwaysUseMSOAuthForAutoDiscover.

Enable modern authentication in Microsoft 365 admin center.

Solution for Outlook prompts for password after migration to Office 365.

Outlook prompts for password after migration to Office 365.