<UpdateIdentity UpdateID="a4a24a7f-9314-4b59-9895-3f646ba6436d" RevisionNumber="55" /><Properties UpdateType="Software" /><Relationships><Prerequisites><UpdateIdentity UpdateID="8659973c-8ef9-4260-a659-cd9c5979d2ac" /><UpdateIdentity UpdateID="e49ac02a-76a4-4398-b859-92dcf2e3df19" /><UpdateIdentity UpdateID="42fc76c2-c51e-4907-8a26-1272ca1a1615" /><AtLeastOne><UpdateIdentity UpdateID="3cf32f7c-d8ee-43f8-a0da-8b88a6f8af1a" /></AtLeastOne></Prerequisites></Relationships><ApplicabilityRules><IsInstalled><b.RegKeyExists Key="HKEY_LOCAL_MACHINE" Subkey="SOFTWARE\Microsoft\Updates\Exchange Server 2003\SP2\KB894549" /></IsInstalled><IsInstallable><Not><b.ClusteredOS /></Not></IsInstallable></ApplicabilityRules>