Error Message

Event Type: Error
Event Source: Enterprise Vault
Event Category: Journal Task
Event ID: 3422
Description:
An Enterprise Vault task is not correctly configured.
The task account's mailbox must have an appropriate Exchange 2010 Server throttling policy applied. The current throttling policy does not have the recommended value for the settings below.
See the Enterprise Vault documentation for details of the required throttling policy settings.
Task: Exchange Journaling Task for Exchange mailbox

Exchange Server: Exchange Server name
Task account: CN=evault-svc,CN=Users,DC=DomainName,DC=com
Throttling policy: CN=EnterpriseVault_D0F41A15-9E91-D111-84E6-0000F877D428,CN=Global Settings,CN=Corporate,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=DomainName,DC=com
Incorrect Settings: RCAPercentTimeInAD, RCAPercentTimeInCAS, RCAPercentTimeInMailboxRPC
Recommended value: '$null'
V-437-3422

OR

Event ID: 3415
Task Category: Journal Task
Level: Error
Keywords: Classic
User: N/A
Computer: FRGR1JNL01.services.firstrand.net
Description:
An Enterprise Vault task is not correctly configured.

The task account's mailbox must have an appropriate Exchange Server 2010 throttling policy applied. See the Enterprise Vault documentation for details of the required throttling policy settings.
Task: Exchange Journaling Task for FRGR1JS01 DAG 2
Exchange Server: FRGR1JS01
Task account: CN=svc_EVault,OU=Service Accounts,DC=services,DC=firstrand,DC=net
V-437-3415
 

For the throttling policy to work correctly RCAPercentTimeInAD, RCAPercentTimeInCAS or, RCAPercentTimeInMailboxRPC cannot have a value other than $null.

Solution 1:  Follow steps within Enterprise Vault documentation on running the SetEVThrottlingPolicy.ps1 powershell script here.

Solution 2:  Follow steps on how to manually create the throttling policy for Exchange 2010 here.