There may be times when you notice BizTalk360 requesting for login credentials as shown below. This error is mainly because "Anonymous Authentication" is set to Enabled under IIS settings. Follow the steps as shown below to rectify this problem.

  1. Open IIS Manager
  2. Navigate to "Authentication" setting
  3. Toggle the status of "Anonymous Authentication" to Disabled
  4. Refresh the BizTalk360 Settings page