Event ID - 10303

Event Id10303
SourceMSExchangeActiveSyncNotify
DescriptionOMA Categorizer dropped the message with message ID %3, Recipient %4. The function %1 returned error code %2.
Event Information"According To Microsoft:"
CAUSE:
The OMA Categorizer dropped a message because a function returned an error code. See the Event Log for the specific message ID, recipient, function, and error code.

RESOLUTION:
If the function involved is extractXML, check the deviceInfo XML file of the user.
Reference LinksMicrosoft product: Exchange Version: 6.5.0000.0 Event Source: MSExchangeActiveSyncNotify Event ID: 10303

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