http://support.microsoft.com/kb/2762344
> Date: Fri, 1 Aug 2014 11:03:31 -0700 > Subject: Re: [Exchange] Outlook and roaming profiles > From: [email protected] > To: [email protected] > > They are getting frequent requests for authentication, and have to > enter their credentials frequently throughout the day - as frequently > as every 10-15 minutes. > > looked, and yes, you are correct - the OST files are on the local > machine, not in the profile. > > So, that still leaves me wondering why these two, and only these two, > out of forty staff members, are having this problem. > > Any thoughts on that? > > Kurt > > On Fri, Aug 1, 2014 at 9:43 AM, Aakash Shah <[email protected]> wrote: > > The default location for the OST file is %localappdata%\Microsoft\Outlook, > > which is not included in the roaming profile. So unless the default > > location was somehow changed to be in %appdata%, the OST files are not > > being shared, and are unique on each computer (it would be best to confirm > > though by checking Outlook). > > > > I would also check to see if any PST files exist on the network since this > > may be causing problems too. > > > > What do the pop up messages state? > > > > One area where roaming profiles do have problems is with multiple versions > > of Outlook - if you attempt to open Outlook on a computer with an older > > version of Outlook, it will likely fail/cause problems - Outlook problems > > are not backwards compatible from what I've seen. > > > > -Aakash Shah > > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]] On Behalf Of Kurt Buff > > Sent: Friday, August 1, 2014 9:34 AM > > To: [email protected] > > Subject: Re: [Exchange] Outlook and roaming profiles > > > > Excellent. Thanks for the feedback. > > > > I agree on roaming profiles - we tried them in this office years ago, > > and it caused nothing but problems. That office seems to love them, > > however. We're working on trying to wean them off of them, but it's a > > definite layer 8 problem. > > > > Kurt > > > > On Fri, Aug 1, 2014 at 9:24 AM, Daniel Chenault <[email protected]> wrote: > >> The OST/PST file (essentially the same thing used in different ways) was > >> never intended for multiple, simultaneous access. I was part of thT > >> discussion back in the day when the decision was made and I know the > >> architecture has not changed. > >> > >> Short version: you're correct in your surmise. Also, roaming profile = bad > >> IMHO. > >> > >>> On Aug 1, 2014, at 8:54, "Kurt Buff" <[email protected]> wrote: > >>> > >>> All, > >>> > >>> I have an interesting problem with two staff members. We're using > >>> Outlook 2010, Exchange 2010 SP3... > >>> > >>> I've got a couple of staff in our Australia who are experiencing auth > >>> popups frequently for Outlook when it is open. > >>> > >>> It turns out that this office has roaming profiles - but most of the > >>> staff over there don't have this problem (and nobody here in the US > >>> does, and we don't use roaming profiles.) > >>> > >>> However, I found out yesterday that one of the two (don't know about > >>> the other yet) seems to be logged into two different machines > >>> simultaneously. > >>> > >>> I suspect that using multiple instances of Outlook pointing to the > >>> same OST file might be causing this - can anyone (dis)confirm that > >>> this might be the root of the problem? I don't have a good way to test > >>> it here, so am hoping someone has run into this and figured it out. > >>> > >>> Thanks, > >>> > >>> Kurt > >>> > >>> > >> > >> > > > > > >
