How to prevent mail users from being locked in the system if they enter wrong password in Outlook many times?
Each Exchange mailbox is bound to system user in Active Directory, and after several failed login attempts to Outlook this user gets locked directly in Active Directory.
It is controlled by
Account Lockout Policies that includes three lockout settings:
- Account Lockout Duration
- Account Lockout Threshold
- Reset Account Lock-out Counter After
Please review an article to be aware on how to configure it in your Active Directory Domain: