Symptoms
The installation of Symantec Mail Security fails and you see the following error message:
"Error 1722.There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor. Action Start_IIS, location: C:\WINNT\system32\, command: iisreset /START"
A reported cause of this error is Installshield. Renaming the numbered folders in the drivers folder allows the installation to update Installshield files.
To rename numbered folders
Technical Information
If you also see the error message 1603, then for additional steps, read Errors or incomplete upgrade of Symantec Mail Security 4.x for Microsoft Exchange.