banned, so no issues (or advice) here. :D Greg pretty much covered why they're banned. On Thu, Feb 12, 2009 at 1:49 AM, Warren Simondson <caditc@xxxxxxxxxx> wrote: > I agree with Greg with regards to using USB keys in a corporate setting and > the risk they pose, > and it does become ever so boring to hear yet another spiel about how > Citrix doesn't really have it > right and of course there is a certain third party vendor that "almost" has > the solution, but not > quite – and of course we should all buy this solution in anticipation for > what is about to come. > > Having said that, I know that XP embedded devices were mentioned here as > the chosen device, > but I have found great success in using plug and play USB keys through > Citrix by using WYSE S10 > and V10L devices – using WTOS of Course. > > Provided you have client drive mapping on, and you have your wnos.ini with > the following setting, > you can have most plug and play USB storage drives operate dynamically > without logging in and > out of a Citrix session. In other words you can pull a USB key in and out > during an active session > and it will read it without issues. Some key drive do not work however, but > I have found about > 80% do in my tsting so far. > > This line must be in the WNOS.ini > > WNOS.ini > ;************************************************************* > ;* General Session * > ;************************************************************* > > SessionConfig=ALL MapDisks=yes > > ;************************************************************* > > If you use WYSE terminals with WTOS and you aren't sure how to modify the > WNOS.ini, just use > CONFGEN, a great tool that lets you build a wnos.ini with a simple GUI. > Download it from: > http://www.technicalhelp.de/download.htm - latest version is ConfGen > 5.0.02. > > Also for the programmers among us, Windows 2008 WTSAPI has a new reference > which probably > has already been discussed at some stage. It's called Dynamic Virtual > Channels and it has the > ability to create plug and play USB "mappings" with it's various reference > calls. I have written one > example that dynamically maps a USB memory stick in a Terminal Server 2008 > Session, but I > haven't released it yet because it was a quick whip up for a customer and > I'm sure there's more to > do to it. But just as an example, it can be done. > > -- > Warren Simondson > > Ctrl-Alt-Del IT Consultancy Pty Ltd > Website: http://www.ctrl-alt-del.com.au > > > > > Quoting Greg Reese <gareese@xxxxxxxxx>: > > > I've been watching this thread. I don't see anything wrong with > > simply > > telling users that if they want to access their thumbdrive, then they > > > > need to insert it before initiating their session. Yes it is > > inconvenient but it is low impact. Remember, not all solutions are > > technical. If the users don't like it then tough $hit, usb drives > > spread viruses and steal corporate secrets anyway. > > > > That said, It also might be worth testing to connect back to it as a > > > > network drive. We're talking about and xpe thin client here so the > > drive configuration should remain predictable. So mapping a drive to > > \ > > \clientname\d$ should circle back to that USB drive. You could wrap > > > > that up in a batch file for the user to run after they plug in the > > drive. Client name or client ip is a session variable you can access > > > > so one script should do it. > > > > Greg > > > > > > Sent from my iPhone > > > > On Feb 11, 2009, at 4:52 AM, Rick Mack <ulrich.mack@xxxxxxxxx> > > wrote: > > > > > Hi David, > > > > > > One thing has to be made clear. Citrix do not support USB > > > redirection with XenApp server. Not for USB storage devices, nor > > USB > > > Activesync nor USB printers. XenDesktop now supports USB redrection > > > > > using the new HDX USB Virtual hub, XenApp doesn't. > > > > > > Plugging in a USB storage device on a Windows system initiates the > > > > > USBSTOR driver and mounts that USB device as a local drive. When > > you > > > initiate an ICA or RDP session and have client drive remapping > > > enabled, the client's local drives, including the USB storage > > device > > > will be visible in the terminal services session. > > > > > > But only when you start your terminal services session, not if the > > > > > USB drive is plugged in later. DynamicUSB gets around this problem > > > > > by dynamically linking USB storage drives to a subdirectory on the > > > > > local user's C: drive. So all you're doing when you plug in a drive > > > > > during a session is changing the contents of a directory. This is > > > > > actually pretty elegant since it nicely gets around the need to > > > restart a session to see a new local drive. > > > > > > It turns out that USB redirection on a terminal server is both very > > > > > easy and actually nearly impossible. Creating a redirected USB > > > virtual hub isn't all that hard, but that's visible to every user > > on > > > a terminal server. Session isolation and the incorporation of stuff > > > > > like virtual loopbacks etc to support Activesync gets quite > > difficult. > > > > > > To date the only company to support true isolated USB redirection > > on > > > terminal services is Quest's provision Networks division (USB-IT). > > > > > Trouble is USB-IT was only aimed at specified relatively low speed > > > > > PDA devices and not a lot else (though it was extensible). We're > > > working on something totally generic for USB-IT V2 but that's still > > > > > a few months away before we've got something to show. > > > > > > Otherwise there's always Server 2008/Windows 7 but from what I can > > > > > tell I don't think that's going to be generic USB redirection > > > either. But I could definitely be wrong. > > > > > > It might be worthwhile to persevere with DynamicUSB. If it let you > > > > > use a folder off a RAM disk on an embedded XP device it'd be > > perfect. > > > > > > regards, > > > > > > Rick > > > > > > -- > > > Ulrich Mack > > > Quest Software > > > Provision Networks Division > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Wed, Feb 11, 2009 at 8:16 AM, David Demers > > <David.Demers@xxxxxxxxxxxxxxx > > > > wrote: > > > Sorry, specifically we are mostly dealing with USB portable > > drives. > > > > > > > > > > > > From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] > > > > > On Behalf Of Steve Greenberg > > > Sent: Tuesday, February 10, 2009 3:14 PM > > > To: thin@xxxxxxxxxxxxx > > > Subject: [THIN] Re: USB devices on Windows based clients > > > > > > > > > > > > What type of USB device are you attaching? > > > > > > > > > > > > > > > > > > Steve Greenberg > > > > > > Thin Client Computing > > > > > > 34522 N. Scottsdale Rd D8453 > > > > > > Scottsdale, AZ 85266 > > > > > > (602) 432-8649 > > > > > > www.thinclient.net > > > > > > steveg@xxxxxxxxxxxxxx > > > > > > > > > > > > From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] > > > > > On Behalf Of David Demers > > > Sent: Tuesday, February 10, 2009 12:36 PM > > > To: thin@xxxxxxxxxxxxx > > > Subject: [THIN] USB devices on Windows based clients > > > > > > > > > > > > Hi guys, > > > > > > I've been fighting with an issue with USB devices on my Windows XP > > > > > Embedded devices. The problem is (as I'm sure many of you have > > > experienced) that if a user plugs in a device after the ICA session > > > > > has begun, the session does not detect the device being added. When > > > > > we used Linux based thin clients this was not an issue, but it > > > appears that the windows based ICA client is unable to provide this > > > > > feature. > > > > > > We found a nifty little utility called DynamicUSB > > (http://support.citrix.com/article/CTX112588 > > > ) that sort of addresses this issue, but the basic premise and the > > > > > assorted workarounds to make it palatable in our environment is > > > frankly a bit cludgy. I was wondering if others are experiencing > > > similar issues and/or what other methods have been employed to > > > address this. > > > > > > -David > > > > > > P.S. Sorry if this is a double post… wasn't sure if the first one > > we > > > nt to the correct address > > > > > > > > > > > > > > > > ************************************************ > For Archives, RSS, to Unsubscribe, Subscribe or > set Digest or Vacation mode use the below link: > //www.freelists.org/list/thin > Follow ThinList on Twitter > http://twitter.com/thinlist > Thin List discussion is now available in blog format at: > http://thinmaillist.blogspot.com > Thinlist MOBILE Feed > http://thinlist.net/mobile > ************************************************ >