<UpdateIdentity UpdateID="75719e52-a66a-4a87-94a9-ab417562c02a" RevisionNumber="100" /><Properties UpdateType="Detectoid" /><Relationships><Prerequisites><UpdateIdentity UpdateID="a6432e15-a446-44af-8f96-0475c472aef6" /></Prerequisites></Relationships><ApplicabilityRules><IsInstalled><b.RegKeyExists Key="HKEY_LOCAL_MACHINE" Subkey="Software\Microsoft\Forefront Server Security\Exchange Server" RegType32="true" /></IsInstalled></ApplicabilityRules>