RE: RE: Questions about Windows installer, DIFX and non-d evic e drivers

Thanks. I was also surprised by this statement and that’s why I would like
to know what exactly does it mean. I went through all of the docs. I have
DriverPackageType in the Version section, use the DIFx in legacy mode and
have examined the INF in detail using chkinf and verifying each section
against the MS docs. Since I can’t make it to work I am starting to wonder
whether it has anything to do with the abovementioned statement.

Jack

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of xxxxx@email.com
Sent: Monday, November 13, 2006 11:56 PM
To: Windows System Software Devs Interest List
Subject: RE:[ntdev] RE: Questions about Windows installer, DIFX and
non-devic e drivers

The issue is if you talk with the DIFx guys they will tell you that
non-device drivers are not supported with DIFx

I am surprised by this statement. The documentation goes to great lengths
discussing using DIFx with class filters which it appears is what you need
it for. Note installing using DIFx is more stringent than right clicking
your INF file to install. Namely, you MUST set DriverPackageType in your INF
file (which has the side effect of generating chkinf warnings, ho hum). And
since you aren’t using signing, you MUST configure DIFx into legacy mode.

eof


Questions? First check the Kernel Driver FAQ at
http://www.osronline.com/article.cfm?id=256

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For what it is worth, if you go to the Microsoft chats archive you will find one on DIFx in 2004. Here is an excerpt:

Host: abhishek (Microsoft)
Q: How do DIFX and the Filter Manager work together?
A: DIFXApp Version 1.1 has support for installing file system minifilters.

eof