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#OFFICE 365 OUTLOOK KEEPS ASKING FOR PASSWORD PDF#
#OFFICE 365 OUTLOOK KEEPS ASKING FOR PASSWORD UPDATE#
#OFFICE 365 OUTLOOK KEEPS ASKING FOR PASSWORD PASSWORD#

Or, using the PowerShell cmdlet Set-ItemProperty: Reg add HKEY_CURRENT_USER\Software\Microsoft\Office\x.0\Outlook\AutoDiscover /t REG_DWORD /v ExcludeExplicitO365Endpoint /d 1 You can make changes to the registry with the following command: 2017 and newer (this parameter is additional to the list of parameters that determine the types of Autodiscover processes when Outlook starts: The ExcludeExplicitO365Endpoint registry parameter is applicable to Outlook 2016 version. To disable this check, go to the registry key HKEY_CURRENT_USER\Software \Microsoft\Office\16.0\Outlook\AutoDiscover and create new DWORD parameter named ExcludeExplicitO365Endpoint and value 1. You can verify this by using the Fiddler or TCPView tools and track the attempts to connect to the and servers.

#OFFICE 365 OUTLOOK KEEPS ASKING FOR PASSWORD UPDATE#

Somewhere in the fall of 2016, an update was released for Outlook 2016 that enabled a mandatory check of the Office 365 cloud connection point. If the computer with a problem Outlook is not joined to the Active Directory domain, then on the contrary, you should try to switc from NTLM authentication to Basic. At the same time, you need to check the authentication type used for the IIS site on the Exchange server.

#OFFICE 365 OUTLOOK KEEPS ASKING FOR PASSWORD PASSWORD#

I hope this page has helped you – feel free to post a comment if it did.Īny PayPal contributions will go towards my new Jet Boat fund – turning Outlook Password prompt frustration into something positive, and interesting.If your Outlook is configured to access the Exchange mailbox using Outlook Anywhere (MAPI over HTTP), verify that NTLM authentication is used. Once I had stumbled upon the Office 365 Outlook password prompt solution for my customer, after many weeks of frustration, I felt very lucky to have found it. There is no guarantee that my Outlook password prompt solution will work, but based on my experience, there is a high probability that it will at least help alleviate the dreaded Outlook password prompt issue for your Office 365 setup. Send me a follow-up email and I will be in touch. Or select the Consulting Hour option for me to help you via a scheduled webex session at $200 USD.

#OFFICE 365 OUTLOOK KEEPS ASKING FOR PASSWORD PDF#

I will then send you the PDF via return email. Please deposit the $100 USD in my PayPal account, and email me once done. The solution I used for my customer is available as a PDF document for $100 USD donation payable via PayPal. Read on if you use Outlook 2016, use Office 365, do not use Office 365 for your DNS, and have the dreaded password prompt issue! They are now happily using Office 365 with Outlook 2016, and with no password prompt issues! I have spent a considerable amount of time investigating this issue for my customer, and finally, after many weeks, have been able to resolve their Outlook password prompt issue. Outlook Password Prompt Issue | My Solution This was making it hard to solve, with users plagued by this Outlook password prompt issue. There was no real pattern to the problem. The dreaded Outlook 2016 password prompt issue would return for the same user, or for a new user.

You are feeling very frustrated and have lost confidence in Outlook 2016 and Office 365.

Office 365 support did not really help in resolving the password prompt issue, suggesting that the Tenant health was fine.

Sometimes, creating a new Outlook 2016 profile would make the password prompt issue go away.

Sometimes, re-starting Outlook 2016 would make the password prompt issue go away.

Sometimes, cancelling the Outlook password prompt box would make it go away.

My customers had to resort to using Outlook Web Mail for their mailbox access, as at least that was reliable. If the Office 365 credentials were entered (email address and password) – this would not clear the credential box. Outlook would load up okay, but then disconnect at random times.

However, over the next few weeks, users would complain about receiving Outlook prompts for credentials. The users were all using Outlook 2016 (Pro Plus) to access their Office 365 mailboxes. The migration went really well with a pilot migration, followed by the remaining mailbox migrations over a weekend. The migration was a cutover from Exchange to Office 365, with no hybrid connection. I recently completed an Exchange On-Premise migration to Office 365 for a customer. Have you migrated to Office 365, and Outlook 2016 keeps asking for password and credentials? Are the repeated Outlook password prompts driving you insane? Is your confidence in Office 365 being eroded by the random attack of the Outlook password prompt?