Maybe apple got somthing on this log!!
2012-08-08 19:21:28.239 Mail[2058:707] Using V2 Layout
2012-08-08 19:22:33.318 Mail[2058:15407] *** Assertion failure in -[EWSAccount authSchemesForConnection:], /SourceCache/Message/Message-1485/Message/EWS/EWSAccount.m:708
EWS doesn't support AuthScheme objects
(
0 CoreMessage 0x00007fff8aadcab7 -[MFAssertionHandler _handleFailureWithPreamble:description:arguments:] + 141
1 CoreMessage 0x00007fff8aadc928 -[MFAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 215
2 Message 0x00007fff816172e5 -[EWSAccount authSchemesForConnection:] + 258
3 CoreMessage 0x00007fff8aa9c2d1 -[AccountSetupValidator _attemptAuthentication] + 183
4 CoreMessage 0x00007fff8aa9cabb -[AccountSetupValidator _validate] + 200
5 CoreFoundation 0x00007fff8b6f6cac __invoking___ + 140
6 CoreFoundation 0x00007fff8b6f6b47 -[NSInvocation invoke] + 263
7 CoreMessage 0x00007fff8aaf7d5d -[MonitoredInvocation invoke] + 225
8 CoreMessage 0x00007fff8ab102b2 -[ThrowingInvocationOperation main] + 33
9 CoreMessage 0x00007fff8aabc602 -[_MFInvocationOperation main] + 431
10 Foundation 0x00007fff88f9fbb6 -[__NSOperationInternal start] + 684
11 Foundation 0x00007fff88fa73d1 __block_global_6 + 129
12 libdispatch.dylib 0x00007fff8ba77f3d _dispatch_call_block_and_release + 15
13 libdispatch.dylib 0x00007fff8ba740fa _dispatch_client_callout + 8
14 libdispatch.dylib 0x00007fff8ba7523e _dispatch_worker_thread2 + 304
15 libsystem_c.dylib 0x00007fff83847ceb _pthread_wqthread + 404
16 libsystem_c.dylib 0x00007fff838321b1 start_wqthread + 13
)
2012-08-08 19:28:33.501 Mail[2058:8c63] *** Assertion failure in -[EWSAccount _setupMailboxUid:forFolderId:], /SourceCache/Message/Message-1485/Message/EWS/EWSAccount.m:2253
Expected EWSStore, got <LibraryStore: 0x7fa630682ee0 (uid=<MailboxUid:0x7fa630666770 (relative path=Notes, attributes=0x200, displayName=Notes)>)>
(
0 CoreMessage 0x00007fff8aadcab7 -[MFAssertionHandler _handleFailureWithPreamble:description:arguments:] + 141
1 CoreMessage 0x00007fff8aadc928 -[MFAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 215
2 Message 0x00007fff8161cf53 -[EWSAccount _setupMailboxUid:forFolderId:] + 469
3 Message 0x00007fff8161c2ae -[EWSAccount createMailboxFromEWSFolder:] + 707
4 Message 0x00007fff81645191 -[EWSSyncFolderHierarchyResponseOperation executeOperation] + 523
5 CoreMessage 0x00007fff8aaf8106 -[MonitoredOperation main] + 219
6 Foundation 0x00007fff88f9fbb6 -[__NSOperationInternal start] + 684
7 Foundation 0x00007fff88fa73d1 __block_global_6 + 129
8 libdispatch.dylib 0x00007fff8ba77f3d _dispatch_call_block_and_release + 15
9 libdispatch.dylib 0x00007fff8ba740fa _dispatch_client_callout + 8
10 libdispatch.dylib 0x00007fff8ba7523e _dispatch_worker_thread2 + 304
11 libsystem_c.dylib 0x00007fff83847ceb _pthread_wqthread + 404
12 libsystem_c.dylib 0x00007fff838321b1 start_wqthread + 13
)
2012-08-08 19:55:28.606 Mail[2058:22d2f] *** Assertion failure in -[EWSGetItemsResponseOperation handleResponseMessage:withObject:], /SourceCache/Message/Message-1485/Message/EWS/EWSResponseOperation.m:625
Received undocumented error: Meeting message could not be correlated because the target is a recurring master and the meeting message is an occurrence. on EWS response <EWSGetItemsResponseOperation: 0x7fa630231750> (EXECUTING)
(
0 CoreMessage 0x00007fff8aadcab7 -[MFAssertionHandler _handleFailureWithPreamble:description:arguments:] + 141
1 CoreMessage 0x00007fff8aadc928 -[MFAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 215
2 Message 0x00007fff8163fa81 -[EWSResponseOperation handleResponseMessage:withObject:] + 547
3 Message 0x00007fff81635907 -[EWSGetItemsResponseOperation executeOperation] + 411
4 CoreMessage 0x00007fff8aaf8106 -[MonitoredOperation main] + 219
5 Foundation 0x00007fff88f9fbb6 -[__NSOperationInternal start] + 684
6 Foundation 0x00007fff88fa73d1 __block_global_6 + 129
7 libdispatch.dylib 0x00007fff8ba77f3d _dispatch_call_block_and_release + 15
8 libdispatch.dylib 0x00007fff8ba740fa _dispatch_client_callout + 8
9 libdispatch.dylib 0x00007fff8ba7523e _dispatch_worker_thread2 + 304
10 libsystem_c.dylib 0x00007fff83847ceb _pthread_wqthread + 404
11 libsystem_c.dylib 0x00007fff838321b1 start_wqthread + 13
)