{"id":1959,"date":"2018-08-01T09:32:01","date_gmt":"2018-08-01T09:32:01","guid":{"rendered":"https:\/\/www.kerneldatarecovery.com\/blog\/?p=1959"},"modified":"2019-11-04T06:32:00","modified_gmt":"2019-11-04T06:32:00","slug":"outlook-prompting-for-password-username","status":"publish","type":"post","link":"https:\/\/www.kerneldatarecovery.com\/blog\/outlook-prompting-for-password-username\/","title":{"rendered":"Outlook Prompting for Password\/Username While Connecting to Exchange Server"},"content":{"rendered":"

While connecting the Outlook client to the Exchange Server, you may get a prompt for the username\/password. It is a windows security alert which stops you from accessing your account.<\/p>\n

\"windows<\/p>\n

This error happens when:-<\/p>\n

    \n
  1. Users are using Exchange server 2016 and 2013 in a co-existence environment (with legacy versions like Exchange Server 2010 or Exchange Server 2007).<\/li>\n
  2. Users are trying to use Outlook Anywhere to connect their Exchange Server 2010 or Exchange server 2007 mailboxes.<\/li>\n
  3. Mailboxes are connected through Exchange 2016 Client Access Server or 2013 Client Access Server.<\/li>\n<\/ol>\n

    Manual Method<\/h4>\n

    Here are all possible solutions which you can try to remove the error \u2013<\/p>\n

      \n
    1. Enable Kernel-Mode Authentication for Autodiscover and EWS<\/strong>To enable the Kernel-Mode Authentication, follow the steps \u2013\n
        \n
      1. Log on to Exchange 2013 CAS Server and open IIS 7.0.<\/strong><\/li>\n
      2. Browse virtual directories for Autodiscover and EWS.<\/li>\n
      3. Select EWS<\/strong>, then select authentication<\/strong>.<\/li>\n
      4. Set the status of Anonymous authentication to Disabled<\/strong>.<\/li>\n
      5. Go to Windows authentication and then click Advanced Settings<\/strong>.<\/li>\n
      6. Select Enable Kernel-mode Authentication<\/strong> and then click OK<\/strong>.<\/li>\n
      7. Follow the same procedure for Autodiscover<\/strong>.<\/li>\n
      8. Initiate Exchange Management Shell and run the command \u2013<\/li>\n
        IISRESET<\/strong><\/div>\n
      9. Finally, restart the Outlook application.<\/li>\n<\/ol>\n<\/li>\n
      10. Change the default Application pool run account to \u2018Network Service<\/strong>To change the default application pool run account \u2013\n
          \n
        1. Follow Start>>Program>>Administrative Tools>>Internet Information Services (IIS) Manager<\/strong>.<\/li>\n
        2. In Internet Information Services Manager, expand the local computer, and then expand the Application Pools<\/strong>.<\/li>\n
        3. Select any Application pool, right-click it and click Properties<\/strong>.<\/li>\n
        4. In the account\u2019s properties dialog box, go to Identity<\/strong> tab and change the Predefined<\/strong> value to Network Service.<\/li>\n<\/ol>\n<\/li>\n
        5. Move the Arbitrary Mailbox<\/strong>Here is the process of moving the arbitrary mailbox \u2013\n
            \n
          1. Find all Arbitrary mailbox in a database \u2013<\/li>\n
            \nGet-Mailbox -Database | Get-Mailbox -Arbitration | ft name, database, servername<\/div>\n
          2. Move arbitrary mailbox from one database to another database.<\/li>\n
            \nGet-Mailbox -Database \u201cDB0213\u201d -arbitration | New-MoveRequest -TargetDatabse \u201cDB221\u201d<\/div>\n
          3. Assign OAB for all database
            \nRun the following command to assign OAB \u2013<\/p>\n
            Get-MailboxDatabase -Server Exchange 2010 | Set-MailboxDatabase -OfflineAddressBook \u2018Default Offline Address Book’<\/div>\n

            After completing all troubleshooting processes, try to verify all your previous activities \u2013<\/p>\n

              \n
            1. Verify the status of EWS and Autodiscover.<\/li>\n
            2. Verify the value of the default application pool run account.<\/li>\n
            3. Verify that you have moved the arbitrary mailboxes.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

              Any other migration-related issues?<\/h4>\n

              At the time of migrations, Exchange administrators face a lot of issues. That is why professional tools are chosen for complex migrations. Exchange Migrator<\/strong> is one such an Exchange Migration<\/a> tool which can migrate mailboxes from one Exchange Server to another with complete data. It fully protects your mailbox data and migrates them to the specified destination.<\/p>\n