Event ID - 1040

Event Id1040
SourceMSExchangeIS Private
DescriptionThe rule (RuleName) with sequence number 2 is being disabled due to errors encountered while applying the rule. The distinguished name of the owning mailbox is Admin Exchange ServerName
Event InformationAccording to Microsoft:
This problem can occur if the Exchange Server 5.5 post Service Pack 1 (SP1) fix has been applied to the Exchange Server computer. The post-SP1 fix does not handle forwarding rules in the client.
To resolve this problem, obtain the latest service pack for Exchange Server version 5.5.The error message is only displayed the first time that the rule starts. After that, if you start Outlook as the user for whom the rule was created, the error message is not displayed, but the rule does not work.
Reference LinksXADM: Outlook Rules Do Not Work As Expected

XADM: Rules in Error and Error Unknown

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