MAKEMSI quickly and reliably creates MSI files in a non-programmatic way\Tips and TricksLaunch ConditionsIIS Installed?

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Launch Condition: IIS Installed?

The following demonstrates how an MSI could check to see if IIS is installed (checks for the existance of a particular registry value):

#(
    ;--- Look for a service registry value ----------------------------------
    <$RegistryRead
         Property="IISINSTALLED4CONFIG"
             HKEY="LOCAL_MACHINE"
              KEY="SYSTEM\CurrentControlSet\Services\W3SVC"
             NAME="DisplayName"
        Condition="not Installed"
          Default="NoIIS"
    >
#)
#(
    <$AbortIf
        condition=^IISINSTALLED4CONFIG = "NoIIS"^
          Message=^The install of "<$ProdInfo.ProductName>"
                   version <$Productversion> can't continue as it
                   requires IIS (and IIS isn't installed on this machine).^
              Seq="AppSearch-"
              SeqTable="InstallUISequence InstallExecuteSequence"
    >
#)

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