More than 90\% of messages failed to decrypt during cross-premises decryption.
_61694D55_A87B_4df0_AEBB_789AAF2616B6_ (Rule)
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<Rule ID="_61694D55_A87B_4df0_AEBB_789AAF2616B6_" Target="Microsoft.Exchange.2010.CommonTransport" Enabled="onEssentialMonitoring">
<Category>PerformanceCollection</Category>
<DataSources>
<DataSource ID="DS" TypeID="SystemPerf!System.Performance.OptimizedDataProvider">
<ComputerName>.</ComputerName>
<CounterName>Percentile90FailedToXDecrypt</CounterName>
<ObjectName>MSExchange Decryption Agent</ObjectName>
<InstanceName><All></InstanceName>
<AllInstances>true</AllInstances>
<Frequency>900</Frequency>
<Tolerance>0</Tolerance>
<ToleranceType>Absolute</ToleranceType>
<MaximumSampleSeparation>1</MaximumSampleSeparation>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectPerformanceData"/>
<WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData"/>
</WriteActions>
</Rule>