Spam email is not removed from the SESC-created SPAM submission folder. Sometimes the spam submission folder is not created.
The Microsoft Exchange server has reported an error creating/reading an SESC subscription in the Windows Application Event log.
Log Name: Application
Source: MSExchange Web Services
Date: 2/16/2012 11:09:28 AM
Event ID: 22
Task Category: Core
An exception occurred while trying to read events for subscription [FwBleDIwMTBkYy4yazhkb21haW4udGVzdBAAAAAJ4VvqbKE1RKXWgVgLInM+te+PUOS6zgg=] against endpoint [http://sesc-3.2k8domain.test:8081/service.asmx]: Microsoft.Exchange.Data.Directory.SystemConfiguration.OverBudgetException: This operation exceeds the throttling budget for policy part 'CAS', budget type: 'EWS'. Suggested backoff time 19181 ms.
at Microsoft.Exchange.Data.Directory.Budget.CheckOverBudget(CostType costType)
NOTE: The hostname in URL reported is the hostname of the SESC computer.
NOTE: Ensure the error message is regarding the throttling budget for CAS and EWS.
SESC has encountered Exchange Client Throttling policies. The EWS subscription could not be created. Since the EWS subscription is not created spam submitted to the folder is not processed by SESC.
The specific policy encountered is listed in the error message:
This operation exceeds the throttling budget for policy part 'CAS', budget type: 'EWS'.
This corresponds to the EWSPercentTimeInCAS throttling policy.