Question since the release of the iPhone OS4 for iPhone 3G, iPhone 4, iPhone 3G and newer iPod touch in our technical support centers more clients with problems in using Exchange Active Sync (EAS). In addition to problems such as slow or no striking synchronization from the terminal itself to report and Exchange administrators to observe an increased load on their server systems, since mobile devices connect with the new software version from Apple itself. We have worked with Apple together to research the cause to the problem as quickly as possible to allow for recovery. Apple has for the support article iOS 4: Exchange Mail, Contacts, Calendars or may not sync after update published.
According to affected users of the device itself, a new configuration profile downloaded or sent as an email, so the file can be opened as an annex that. Then, the shape must be installed. After the next synchronization with the Exchange server, the device should function normally again. Apple is working on a fix according to own data, with the date of publication was not yet known.
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