Password change OWA

Outlook Web App provides the functionality to change passwords that haven’t expired yet. However, if a password has already expired or is required to be changed at the first sign-in, the password can’t be changed via Outlook Web App unless you make a configuration change on the Client Access server to enable changing expired passwords.

  1. Log on to the Client Access server.
  2. Start Registry Editor (regedit).
  3. Locate the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchange OWA.
  4. Create the following DWORD value if it doesn’t already exist: ChangeExpiredPasswordEnabled. The value type will be REG_DWORD.
  5. Set the value of ChangeExpiredPasswordEnabled to 1.
  6. Exit Registry Editor.

Also the default “Minimum password age” is set to 1 day in Group Policy.

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