Because there's a difference between an Exchange aware AV product using the
AVAPI and a file based AV scanner running on a server which happens to also
be running Exchange. 

*************************************************************
  Chris Scharff    [EMAIL PROTECTED]    www.swinc.com

  "Cheshire-Puss," she began, "would you tell me, please, 
  which way I ought to go from here?"
  "That depends a good deal on where you want to get to," 
  said the Cat.
  "I don't care much where--" said Alice.
  "Then it doesn't matter which way you go," said the Cat.
************************************************************* 

> -----Original Message-----
> From: tech [mailto:[EMAIL PROTECTED]] 
> Sent: Tuesday, September 25, 2001 2:30 PM
> To: Exchange Discussions
> Subject: RE: anti-virus protection for Exchange server os
> 
> 
> http://www.win2000mag.com/Articles/Index.cfm?ArticleID=22416
> 
> Why have they invested in the new api then??????
> 
> Nathan
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]] On Behalf Of Stephen
> Mynhier
> Sent: Tuesday, September 25, 2001 12:34 PM
> To: Exchange Discussions
> Subject: RE: anti-virus protection for Exchange server os
> 
> 
> Third parties might support it... that's fine.   But MS doesn't really
> support running file-based AV on an Exchange server.  It is one of the
> first things that they have you remove if you call in with a 
> problem, it
> is one of the first things that they have you remove.
> 
> Never confuse "can" and "should"
> 
> -----Original Message-----
> From: Brian Ko
> To: Exchange Discussions
> Sent: 9/25/01 1:34 PM
> Subject: RE: anti-virus protection for Exchange server os
> 
> Kevin,
> Hi!
> 
> I don't know why you think why I am wrong.  Why don't you 
> call Antivirus
> companies and tell them they are wrong for supporting file based A/V
> products on Exchange servers.
> 
> Brian
> 
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]] On Behalf Of 
> Kevin Miller
> > Sent: Tuesday, September 25, 2001 12:25 PM
> > To: Exchange Discussions
> > Subject: RE: anti-virus protection for Exchange server os
> > 
> > 
> > You NEVER want to use a file based scanner on the Exchange
> > folders in the server.. That is a very bad idea. You just 
> > don't do that period. If you want more protection then use 
> > extension blocking. File scanner your exchange server will 
> > cause nothing but problems and now help at all.. Why do you 
> > think there is a separate product for exchange?  Never mind.. 
> > Don will finish this one better then I can.. 
> > 
> > You should have left it you being wrong.
> > 
> > Kevinm WLKMMAS, UCC+WCA
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > All spelling and Factual errors are the fault of Bob Barker 
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > This space has been rented by:
> > Http://www.tiggercam.co.uk For all your tigger needs
> > You 2 can rent this space if you need it.
> > 
> > 
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]] On Behalf Of Brian Ko
> > Sent: Tuesday, September 25, 2001 10:19 AM
> > To: Exchange Discussions
> > Subject: RE: anti-virus protection for Exchange server os
> > 
> > 
> > Don,
> > 
> > Hi!
> > 
> > What I don't want is to make this as argument.  I am just
> > saying that I would run File Based A/V product to increase 
> > the protection of Exchange server.  You can't really say your 
> > server is bullet proof.  Maybe it is at the time, but what 
> > if/when there's a new threat for security holes. A/V may not 
> > be able to protect it, but it certainly may decrease the 
> > chance of getting infected (IMO).  You think that file based 
> > A/V products corrupt Exchange database?  Well, Not if people 
> > install it properly and run it properly.  Exchange Virus 
> > product companies support File Based A/V products.  Microsoft 
> > does not say you can not install File Based A/V products on 
> > Exchange server, do they?  If they do, please let me know.
> > 
> > If you are happy with not running file based A/V products on
> > your Exchange server, that's okay with me.  I am just happy 
> > running file based A/V product along email virus product on 
> > my Exchange server.  And this is supported by my A/V vendor. 
> > 
> > Brian
> > 
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]] On Behalf Of Don Ely
> > > Sent: Tuesday, September 25, 2001 11:55 AM
> > > To: Exchange Discussions
> > > Subject: RE: anti-virus protection for Exchange server os
> > > 
> > > 
> > > Well, unless you have some rebuttal to prove me 
> otherwise... Please
> > > enlighten me if there is something I'm missing.  I'd 
> really like to 
> > > know...
> > > 
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]] On Behalf Of Brian Ko
> > > Sent: Tuesday, September 25, 2001 9:43 AM
> > > To: Exchange Discussions
> > > Subject: RE: anti-virus protection for Exchange server os
> > > 
> > > 
> > > You are right and I am wrong.  Happy?
> > > 
> > > Brian
> > > 
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED]
> > > > [mailto:[EMAIL PROTECTED]] On Behalf Of Don Ely
> > > > Sent: Tuesday, September 25, 2001 10:26 AM
> > > > To: Exchange Discussions
> > > > Subject: RE: anti-virus protection for Exchange server os
> > > > 
> > > > 
> > > > Ummmm...  What the hell does having IIS on a server without
> > > file based
> > > > virus scanning have to do with anything?
> > > > 
> > > > Case in point, I have an E2K server with IIS 5.0 with all of the
> > > > necessary patches and updates.  What the hell is a file
> > > based scanner
> > > > going to do for me that my email virus scanner 
> wouldn't?  Are you
> > > > trying to tell these poor souls that the nimda virus 
> > would not have
> > > > infected
> > > > them if they had a file based scanner?   Bzzztt....  
> WRONG ANSWER!
> > > > 
> > > > He who knows how to build, configure and secure a server
> > > doesn't need
> > > > a file based scanner on their exchange server.
> > > > The virus in this particular case came through either an
> > email or an
> > > > infected web page. If the admin is anywhere near
> > competent and has
> > > > his/her server built correctly, the virus cannot be
> > activated.  Now
> > > > if said admin is ignorant and doesn't have a properly configured
> > > > server...  They deserve what they get!
> > > > 
> > > > Come back later and talk to us when your exchange install
> > > has become
> > > > corrupted due to your file based scanner...
> > > > 
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED]
> > > > [mailto:[EMAIL PROTECTED]] On Behalf 
> Of Brian Ko
> > > > Sent: Tuesday, September 25, 2001 8:14 AM
> > > > To: Exchange Discussions
> > > > Subject: RE: anti-virus protection for Exchange server os
> > > > 
> > > > 
> > > > And maybe you won't install IIS 5.0 on Windows 2000
> > > servers???  Nimda
> > > > was able to infect IIS servers using IIS server as well.
> > I am not
> > > > forcing  you or missy to install the A/V on your own
> > servers.  It's
> > > > your own choice.
> > > > 
> > > > Brian
> > > > 
> > > > > -----Original Message-----
> > > > > From: [EMAIL PROTECTED]
> > > > > [mailto:[EMAIL PROTECTED]] On Behalf Of
> > > Tom Meunier
> > > > > Sent: Tuesday, September 25, 2001 10:04 AM
> > > > > To: Exchange Discussions
> > > > > Subject: RE: anti-virus protection for Exchange server os
> > > > > 
> > > > > 
> > > > > ...or maybe she won't create PUBLICALLY ACCESSIBLE 
> SHARES on an
> > > > > Exchange box, perhaps.  Or browse the web or read her
> > > email from it.
> > > > > 
> > > > > You identify your points of possible infection, and you
> > > > protect them.
> > > > > I don't need to put mousetraps in my gasoline tank, because
> > > > I'm fairly
> > > > > certain that they'll never be able to get in there.
> > > > > 
> > > > > 
> > > > > > -----Original Message-----
> > > > > > From: Brian Ko [mailto:[EMAIL PROTECTED]]
> > > > > > Posted At: Tuesday, September 25, 2001 10:01 AM Posted To: 
> > > > > > MSExchange Mailing List
> > > > > > Conversation: anti-virus protection for Exchange server os
> > > > > > Subject: RE: anti-virus protection for Exchange server os
> > > > > > 
> > > > > > 
> > > > > > I think you will think differently after you have one
> > > of Exchange
> > > > > > server infected by virus (not that I am wishing for it,
> > > I hope it
> > > > > > never happens!!!).  Not having any A/V product except
> > Exchange
> > > > > > server is a past thing as new virus comes out all the
> > > > time with more
> > > > > damage it can
> > > > > > do to a workstation or a server, IMHO.
> > > > > > 
> > > > > > Brian Ko
> > > > > > 
> > > > > > > -----Original Message-----
> > > > > > > From: [EMAIL PROTECTED]
> > > > > > > [mailto:[EMAIL PROTECTED]] On Behalf
> > > Of missy
> > > > > > > koslosky
> > > > > > > Sent: Monday, September 24, 2001 2:31 PM
> > > > > > > To: Exchange Discussions
> > > > > > > Subject: Re: anti-virus protection for Exchange server os
> > > > > > > 
> > > > > > > 
> > > > > > > What's he risking by not having file-based A/V on
> > his Exchange
> > 
> > > > > > > server? There shouldn't be anything other than
> > > Exchange on the
> > > > > > > server, so Antigen should protect his server quite nicely.
> > > > > > > 
> > > > > > > I'm not a proponent of file-based scanners on servers
> > > > that aren't
> > > > > > > file servers.
> > > > > > > 
> > > > > > > Missy
> > > > > > > ----- Original Message -----
> > > > > > > From: "Brian Ko" <[EMAIL PROTECTED]>
> > > > > > > To: "Exchange Discussions" <[EMAIL PROTECTED]>
> > > > > > > Cc: <[EMAIL PROTECTED]>
> > > > > > > Sent: Monday, September 24, 2001 3:28 PM
> > > > > > > Subject: RE: anti-virus protection for Exchange server os
> > > > > > > 
> > > > > > > 
> > > > > > > You are risking a lot by not putting Antivirus
> > > software on your
> > > > > > > server. We've been running ScanMail and
> > ServerProtect on our
> > > > > > > Exchange server for a while w/o any problem.  We
> > did exclude
> > > > > > > ScanMail and Exchange folders from scanning.
> > > > > > > 
> > > > > > > Brian
> > > > > > > 
> > > > > > > > -----Original Message-----
> > > > > > > > From: [EMAIL PROTECTED]
> > > > > > > > [mailto:[EMAIL PROTECTED]] On Behalf
> > > > Of Steven
> > > > > > > > Plender
> > > > > > > > Sent: Sunday, September 23, 2001 1:28 PM
> > > > > > > > To: Exchange Discussions
> > > > > > > > Subject: anti-virus protection for Exchange server os
> > > > > > > >
> > > > > > > >
> > > > > > > > We are currently using Antigen Anti-virus software on
> > > > all of our
> > > > 
> > > > > > > > Exchange servers. We have not used any other anti-virus
> > > > > > software to
> > > > > > > > protect the server or operating system itself. Three
> > > > > > years ago when
> > > > > > > > the Exchange systems were being installed it was
> > > > known that file
> > > > 
> > > > > > > > scanning anti-virus software could or would corrupt
> > > > > > > information store
> > > > > > > > files and perhaps log files as well. The architect
> > > > > > > recommended that no
> > > > > > > > anti-virus software be installed at that time. Desktops
> > > > > and other
> > > > > > > > servers are protected with file scanning anti-virus
> > > > > software which
> > > > > > > > is updated nightly. We have been asked / directed
> > > to install
> > > > > > > > server file scanning software (NAI) on our Exchange
> > > > > servers. This
> > > > > > > > weekend I have been running it in the lab on an
> > > > Exchange server
> > > > > > > > and have excluded the partition with the information
> > > > > store and the
> > > > > > > > partition with the log files. Can you tell me what the
> > > > > consensus
> > > > > > > > is on this issue and do you run server anti-virus
> > > > > software along
> > > > > > > > with Exchange aware anti-virus software. Thanks.
> > > > > > > >
> > > > > > > > Steve Plender
> > > > > > > > RBC DS
> 
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