CPUU shows the following error while logging on to the source Outlook profile:
[Trace] Open store '[mailbox]@[mail_domain].com'.
MAPI result: 0x8004011d, Description: MAPI_E_FAILONEPROVIDER, Extended info: Component: Microsoft Exchange Information Store, Description: Microsoft Exchange is not available. Either there are network problems or the Exchange server is down for maintenance., Context: 1318, Low level: 2147746069
Stack: 0046A33A 004D77BB 004D1CD3 005A7D05 005C4753 005C254A 00428D2D 004285AC 00437E30 00623FD1 BaseThreadInitThunk RtlInitializeExceptionChain RtlInitializeExceptionChain
All permissions are set correctly, both MFCMAPI and OUtlook can log on to the source profile successfully.