One of the most common issues that Outlook users face when they’re trying to connect to Office 365 mailbox is continually prompt of credentials. And if the user cancels the credentials prompt, they receive an error message.
One main reason behind this issue can be – the settings of Logon network security on the Microsoft Exchange dialog box is not set to Anonymous Authentication. So, how this issue can be resolved? In this article, we will tell you about all the possible methods to solve this error.
There are several methods to resolve this issue. Here we have mentioned some of the most effective ways:
You can create or change the registry key so that Outlook start using the new authentication method for web services, such as EWS and Autodiscover. To do this follow the below steps:
When you receive the Outlook credentials prompt on the screen while opening MS Outlook, you’ll see that below the credentials field there is a “Remember my credentials” checkbox. Make sure you tick that checkbox so that you don’t face this issue again and again.
This way MS Outlook will remember your credentials, and you might not face this problem again.
Conclusion: Facing the “Office 365 Credentials Prompt” continuously can make you uninstall Outlook from your system, or even make you stop using it. So, fixing this issue is crucial as most of the work is done through it. Using the five methods mentioned in the article, you can quickly fix this error.