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- Re: Check for IIS fails with IIS 10
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Feb 25, 2016
12:42 PM
Check for IIS fails with IIS 10
I'm creating a basic msi installer and one of my features gets hidden (set level to 0) if IIS 6.0 or greater is not installed.
The exact condition is
(IIS_VERSION >= "#6")
where IIS_VERSION is defined in System Search by InstallShield.
When I tested this with no IIS, IIS 6.0, and IIS 7.5 it worked great.
When I tested it on Windows 10, it has IIS 10 so IIS_VERSION is set to "#10" (I've checked this in the installation log), but the condition fails.
I manually changed the appropriate reg key from 10 to 9. In that case IIS_VERSION is set to "#9" and it works.
So, am I doing something wrong or is there a bug in InstallShield.
Thanks
The exact condition is
(IIS_VERSION >= "#6")
where IIS_VERSION is defined in System Search by InstallShield.
When I tested this with no IIS, IIS 6.0, and IIS 7.5 it worked great.
When I tested it on Windows 10, it has IIS 10 so IIS_VERSION is set to "#10" (I've checked this in the installation log), but the condition fails.
I manually changed the appropriate reg key from 10 to 9. In that case IIS_VERSION is set to "#9" and it works.
So, am I doing something wrong or is there a bug in InstallShield.
Thanks
(1) Reply
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Feb 25, 2016
03:08 PM
Sounds like it is doing a string compare rather than a numeric compare (10 would come before 6 if comparing an ascii string).
![](/skins/images/A5EADE085F77DE82FB3B14D6B307AE6A/responsive_peak/images/icon_anonymous_message.png)