[sync] iPhone going crazy with latest ActiveSync update (2.8.1)

[lst_hoe02 at kwsoft.de]

Zitat von lst_hoe02 at kwsoft.de:

> Hello,
>
> yesterday i was doing a pear-upgrade which updated Horde_ActiveSync  
> from 2.7.3 to 2.8.1. With this update the test iPhone with iOS 7.0.2  
> is not able to sync e-mail any more. It syncs over and over again  
> draining the battery like hell.
>
> The message in the ActiveSync log is
>
> 2013-10-01T11:18:00+02:00 ERR: [26871] Attempting a SYNC_COMMANDS,  
> but device failed to send synckey. Ignoring.
>
> which is repeated over and over again. I have switched of the Phone,  
> reset the ActiveSync state, restart the webserver, cleaned the cache  
> and restartet again but the problem persists. Any idea what went  
> wrong?
>
> Regards
>
> Andreas

Switching back to Horde_ActiveSync 2.7.3 cured the problem after a  
full resync.
So i guess i should not roll-out the update on the main site with > 20  
iPhones :-(

Any comments what went wrong?

Regards

Andreas