KB917805
Install this update to fix a scenario where the Wmiprvse.exe process consumes an ever-increasing amount of memory when you enumerate the MSCluster_ResourceToPossibleOwner class on a Windows Server 2003-based server cluster.
KB919166
Install this update to resolve the issue where the address book function on Exchange 12 doesn't work when the Exchange OWA client and the Windows Server 2003-based domain controller do not have the same locale setting.
News source: Microsoft
Download: (KB917805): 2003 (32-bit) | 2003 (64-bit) | 2003 (Itanium)
Download: (KB919166): 2003 (32-bit) | 2003 (64-bit) | 2003 (Itanium)