After the virtual directory has been created, a registry change must be made to allow password
resets to take place. To do this, perform the following steps:
1. Click Start, Run, type in regedit.exe, and click OK.
2. Navigate to My Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\MSExchangeWEB\OWA.
FIGURE 12.21 Modifying the IISADMPWD virtual directory.
342 CHAPTER 12 Securing Outlook Web Access (OWA) Traffic
3. Look for the DWORD value labeled DisablePassword, as shown in Figure 12.22,
double-click on it, enter 0 in the value data field, and click OK. Entering 0 forces
changes to be made in SSL, which is highly recommended.
4. Back in IIS Manager, restart IIS by right-clicking on the server name in IIS Manager
and choosing All Tasks, Restart IIS, and then click OK.
Modifying the ISA OWA Publishing Rule to Support the Change Password Feature After the
Change Password feature has been enabled on the OWA server, the existing ISA OWA
publishing rule must be modified to support the change, if it hasn??™t been already. To
enable this, do the following from the ISA console:
1. From the ISA server, open the ISA Management Console (Start, All Programs,
Microsoft ISA Server, ISA Server Management).
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