<UpdateIdentity UpdateID="0a6e3c4e-dad1-4de0-984f-8ac40519966a" RevisionNumber="53" /><Properties UpdateType="Detectoid" /><Relationships><Prerequisites><UpdateIdentity UpdateID="83a83e29-7d55-44a0-afed-aea164bc35e6" /><UpdateIdentity UpdateID="3b4b8621-726e-43a6-b43b-37d07ec7019f" /></Prerequisites></Relationships><ApplicabilityRules><IsInstalled><Or><And><b.RegDword Key="HKEY_LOCAL_MACHINE" Subkey="software\microsoft\exchange\setup" Value="NewestBuild" Comparison="GreaterThanOrEqualTo" Data="4417" /><b.RegDword Key="HKEY_LOCAL_MACHINE" Subkey="software\microsoft\exchange\setup" Value="NewestBuild" Comparison="LessThanOrEqualTo" Data="4629" /></And><And><b.RegDword Key="HKEY_LOCAL_MACHINE" Subkey="SOFTWARE\Microsoft\ADCSetup" Value="NewestSetupBld" Comparison="GreaterThanOrEqualTo" Data="4417" /><b.RegDword Key="HKEY_LOCAL_MACHINE" Subkey="SOFTWARE\Microsoft\ADCSetup" Value="NewestSetupBld" Comparison="LessThanOrEqualTo" Data="6249" /></And><b.RegKeyExists Key="HKEY_LOCAL_MACHINE" Subkey="software\microsoft\exchange conferencing" /></Or></IsInstalled></ApplicabilityRules>