OWA üzerinden Password Reset özelliğini aktif etmek için aşağıdadaki işlemleri yapmanız yeterli olacaktır.
Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchange OWA
Create a new DWORD (32-bit) value called ChangeExpiredPasswordEnabled
Assign the new DWORD a value of 1 as shown below.
Note: If the ChangeExpiredPasswordEnable registry key already exists, set its value to 1. Any value other than 1 will disable the feature.
Restart IIS by opening a cmd prompt and typing IISRESET /NOFORCE.
Repeat this process for all Client Access Servers. Once finished, when a user logs in with an expired password, they are prompted with a new screen as shown in both Exchange 2007 (left) and Exchange 2010 (right) below:
Once the user enters a valid new password, they are shown the following screen: