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Apple’s iOS 6.1 update introduced some improvements to Siri and LTE compatibility, but for many users, it also cut their phones off from 3G networks or Microsoft’s Exchange. The former issue has hopefully been addressed with a bug fix, but the latter apparently remains unsolved — and Microsoft is now telling Exchange administrators they may need to block or throttle iOS 6.1 users to keep their servers running well.
“Apple and Microsoft are investigating this issue.”
In a bug report, the company acknowledges that “when a user syncs a mailbox by using an iOS 6.1-based device, Microsoft Exchange Server 2010 Client Access server and Mailbox server resources are consumed, log growth becomes excessive, memory and CPU use may increase…