Written By: Ahsan Ahmed
Background:
When the user changed their account password, they start getting the outlook credentials popup on their pc and some cases the user account maybe getting locked. The reason for this could be many as below:
- The user has logged in to a different computer with the old password previously
- Saved the old password or run any services, applications using the previous password
- Use the email address on their phone, tablet, iPad or home devices
- Used organisation Wi-Fi earlier and saved the password (remember the password for Wi-Fi)
- Credentials manager has stored the password on PC
- Previous app data(outlook) is storing the credentials on PC
Analysis:
- Use account locked out windows application to find out if the account is getting locked
- If yes, check on which DC the account is getting locked
- Find out if the user is using their email on their phone, tablet or in any other personal devices
- Find out if they have used the organisation Wi-fi with their account details earlier
- Check the Credential Manager on pc to find out if any previous passwords are stored there
Troubleshooting:
- Enter the email and password and tick “remember credentials” box
- Clear your cached passwords (Note: you may need Admin rights to do this)
- Exit Outlook and Skype for business
- Choose Start | Control Panel | User Accounts | Manage your credentials
- Delete all credentials for Microsoft, Outlook, Skype for Business, or Lync
- Exit and restart your computer
- Rename the Outlook .ost file (if get error about “cannot open set of folders)
- From the Start menu, choose Run
- In the Run window, type this path in the Open box
- “%LOCALAPPDATA%\Microsoft\Outlook\” or “%LOCALAPPDATA%\
- Find the .ost file and rename/ delete it (you may need to Show Hidden Files and Show Extensions to see the file)
- Restart the computer and Outlook
- Verify that prompt for Credentials isn’t checked in profile
- Start outlook | Choose File | Account Settings | Select your Exchange Account
- If prompted, in the Password: text box, type your password
- Click the Change button | More Settings | Security tab
- Deselect the “Always prompt for logon credentials” check box
- Click ok | Choose close and restart the outlook
- Create a New Outlook Profile
- Choose Start | Control Panel | View by Large Icons (upper right of window) | Mail
- Click Show Profiles | Add | Type the name of the profile e.g. your name and click OK
- Click Next – it should auto configure | Finish |
- Select your new profile in the “Always use this profile” dialog box and click Ok
- Delete any extra outlook profile
- Open outlook | Choose File | Account Settings
- Delete any second profile from Data Files | RSS feeds | SharePoint Lists or Calendar
- Delete user mailbox and Wi-Fi password from personal devices
- Delete the user outlook profile from any personal or company provided device
- Re-add the profile using new credentials
- Forget the password for company Wi-Fi connection
- Turing off the machine or services with old credential
- Use the AD locked out application for finding out the DC name
- Get the remote access to the server as required
- Go to start from left down corner on the server and search for Event Viewer
- Go to Windows Logs | Security
- Check if the user account is there and attempted login to any device (search with code 4740 on filter)
- Find the PC/ laptop name and turned it off physically or use the current user logins / update the credentials