Windows 8 devices fail to Sync with Microsoft Exchange with 86000C2A, 8600C2B, 86000C29 Error (or similar) after an ActiveSync Mailbox Policy is applied

Having trouble creating an ActiveSync Mailbox Policy to support your shiny new Windows Phone or Surface devices without checking the dreaded “AllowNonProvisionableDevices” setting? Well, let’s see if I can help you out! While it is documented that Windows devices only “support” certain policy settings: http://support.microsoft.com/kb/2823900 http://support.microsoft.com/kb/2464593/en-us There are SOME settings that can be configured that…

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