[horde] Problem ActiveSync and Serverprofile

[Vilius Sumskas]

> > > Please don't top post.
> > >
> > > Quoting Oliver Werner <oliver.werner at hp-gruppe.de>:
> > >
> > > > the OST File is stored on AppData/Local
> > >
> > >
> > > If I remember correctly, roaming profiles with EAS enabled Outlook
> > > is extremely problematic. I can't remember if it was even officially
> > > supported or not. I know at one point there were issues with the
> > > different instances even having different device ids, which would
> > completely break EAS.
> >
> > OST in AppData/Local should be fine though.
> 
> No this only works if you use local profiles. Outlook stores some kind of ID
> in the OST file. The ID is different on every computer. The problem here is,
> that Outlook stores the last used ID in your roaming profile.
> 
> So if you use Outlook EAS on PC A it works. (ID A) Then you go to another PC
> B without an existing profile it works too, because Outlook creates an new
> OST file with a new ID (ID B). If you then go back to PC A your profile gets
> synchronized with ID B and you can't access your previous OST file which
> uses ID A.
> 
> The most recent version of Outlook in Office 365 doesn't even start
> anymore, because it detects an ID mismatch for your local OST file. There
> are two ways to cope with it:
> 
> a) don't use roaming profiles
> b) delete your OST file when you encounter the problem, it gets recreated
> with a new ID and works until you roam again. You could also use a script
> that deletes the OST file on every user login. Downside of this is that you
> shouldn't have users with big mailboxes or it will take a while to download
> everything each and every time a user does a login.
> 
> I have a customer myself who encounters this specific problem and the only
> solution there is not to use EAS anymore, because it breaks roaming profiles
> with Outlook. I have to go back to IMAP combined with CalDav Synchronizer
> which works quite well and is also roaming profile aware.
> 
> As much as I love to use EAS, it's not good for roaming.

Is there a difference if you use Online mode instead of Cached mode in such case?

-- 
   Vilius