Follow the steps in this section carefully. Modifying the Outlook profile by using the 'Profiles' registry path is not supported and may cause your Outlook profile to be in an unsupported state. To locate and view the registry setting for Anonymous Authentication in the Outlook profile, follow these steps. On the Logon network security list, select Anonymous Authentication, and then click OK.Ĭlick Next, click Finish, and then click Close on the Account Settings dialog box.Ĭlick Close on the Mail Setup dialog box, and then click OK to close the Mail control panel. In the Microsoft Exchange dialog box, select the Security tab.

In the Change Account dialog box, click More Settings. Select your email account, and then click Change. In Control Panel, locate and double-click Mail.Ĭlick Show Profiles, select your Outlook profile, and then click Properties. Or, type control panel at the Start screen, and then tap or click Control Panel in the search results. In Windows 8, swipe in from the right side to open the charms, tap or click Search, and then type control panel in the search box.In Windows 10, Windows 8.1, or Windows 7, click Start, type control panel in the search box, and then press Enter.Open Control Panel, and then do one of the following: If you have an older version of Outlook, change the Logon network security setting to Anonymous Authentication to fix this issue. Why does Outlook keep prompting for password.Outlook prompts for password when Modern Authentication is enabledĪdditionally, you can view the following forum thread for common causes:.If you are connecting to an Exchange On-Premises mailbox, see the following articles for additional troubleshooting: Diag: Outlook keeps asking for my password

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