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Update Rollup 4 for Exchange Server 2010 includes a great many fixes to errors big and small in Database Availability Groups, legacy Exchange 2003 migration scenarios, and a number of fairly irritating problems with OWA. What I’m most excited about (in other words, the problems that were most disruptive to my life) are these: 979848 Event [...] Occasionally, Exchange Server 2010 admins may encounter the following error when attempting to import a certificate or complete a certificate request: The certificate status could not be determined because the revocation check failed This error is thrown when your Exchange server is unable to connect outward to the appropriate certificate authority’s certificate revocation list (CRL.) Microsoft’s KB article [...] One of the most awaited (and misunderstood) features added to Exchange Server 2010 is the disaster-recovery/high-availability feature known as the Database Availability Group (DAG.) Microsoft touts it as a perfected “2.0″ of the heretofore painful database replication process known as Continuous Cluster Replication (CCR,) which came into our lives in Exchange 2007. While the DAG does create a much simpler implementation path for administrators, there are some important design considerations that have the potential to create deep, painful “catches and gotchas.” Continue reading Reliable Exchange 2010 DAG: Part 1, Active Directory Health |
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