What are the differences anti-virus wise in the SP3 and SP4 for MS Exchange 5.5?
Microsoft introduced Anti-Virus API (known also as EVSI, Exchange Virus Scanning Interface) in Exchange 5.5 SP3. However, because of various bugs and instability in the original release, Microsoft released also several patches to fix those problems. The fixes are very important – basically without them the EVSI doesn’t work properly. All those fixes, as well as some other fixes, are included in the SP4. NOTE: For the Exchange Server Virus Scan API to function correctly, you need to install the latest post-SP3 Information Store fixes. There is also Service Pack 4 for Microsoft Exchange Server 5.5 that accumulates all those post-fixes. There is a new Service Pack 4, available (released November 7, 2000). It includes all postfixes made after Service Pack 3 and feature enhancements.
Related Questions
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