Added SMTP Service Fails after IIS 4.0 Is Installed on Non-Default Path (245208)

We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/prodtech/IIS.mspx

IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SYMPTOMS

When you add the Microsoft SMTP service through Add/Remove Programs after you install the Windows NT Option Pack (NTOP), the SMTP service may not work immediately, if the initial NTOP installation was on a non-default path. The following error message may occur in the event log:

Event ID 7000 Source: Service Control manager. "Microsoft SMTP service. Service failed to start due to the following error: the system cannot find the file specified

CAUSE

Although the NTOP was installed to a customer selected non-default path, the SMTP service is still installed to the default location for Inetinfo (Winnt\System32\Inetsrv), which causes the problems to occur. For example, if IIS is installed in Inetsrv directory instead of the Winnt\System32\Ineterv directory , Add/Remove Programs still attempts to put the SMTP service in to the Winnt\System32\Inetsrv directory instead of the current location of Inetinfo.exe.

WORKAROUND

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

Verify which folder is the current working directory for IIS by searching for Inetinfo.exe (for example: d:\inetsrv).
Copy the following SMTP related DLLs from the Winnt\System32\Inetsrv directory to the location where Inetinfo.exe is currently located:
Jpudll.dll
Mboxapi.dll
Seo.dll
Seos.dll
Smtpadm.dll
Smtpkey.dll
Smtpread.txt
Smtpsnap.dll
Smtpsvc.dll
Run Regedit.

Note: Before you modify the registry, export the current registry first as a backup.

Search for the following DLLs in the registry:
Seo.dll
Seos.dll
Smtpadm.dll
Smtpsnap.dll
Smtpsvc.dll
Change the default path to the current working directory for IIS (to d:\Inetsrv).
In the registry, change the Inetinfo.exe image path to map to the current working directory:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SMTPSVC]
ImagePath=Changed Image Path to point to the real path for Inetinfo.exe

\PARAMETERS
InstallPath=Changed Image Path to point to the real path for Inetinfo.exe

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SMTPSVC\Enum]
0="Root\\LEGACY_SMTPSVC\\0000"
Count=dword:00000001
NextInstance=dword:00000001
Try to start the SMTP service in the Control Panel, or restart the computer.