Exchange

There is an excellent article that describes how CAS to CAS proxying and redirection works over here. It was created to supplement this white paper. It also discusses CAS to Exchange 2003. I wanted to discuss some key points on this article from a CAS to CAS situation.Proxying is used when you have one internet facing CAS. Your other CAS will be accessible via intranet … [Read more...] about Client Access Server Proxying and Redirection

Microsoft has made changes to the Exchange 2007 Mailbox Server Role Storage Calculator. These changes include:• LUN Architecture • Backup Architecture • I/O Calculation • SCR & Log Capacity Calculation • Log GenerationFor a detailed list of changes, visit the following site: https://msexchangeteam.com/archive/2007/07/05/445802.aspxTo view … [Read more...] about Major update to the E2k7 Storage Calculator

I've seen several people on forums talking about CCR unscheduled failovers not failing over correctly and databases not being mounted properly. I did quite a bit of testing today on this and found a couple things. First thing I noticed is that with no Rollups installed and a default CCR configuration (Best Availability) that when you do an unscheduled failover, such as … [Read more...] about CCR Unscheduled Failovers and Database Mounting Issues

Microsoft has released Update Rollup 4 for Exchange Server 2007. This can be downloaded here and more information is available here.This is a cumulative update rollup and replaces the following:KB930809 Update Rollup 1 for Exchange Server 2007 (KB930809) KB935490 Update Rollup 2 for Exchange Server 2007 (KB935490) KB935999 Update Rollup 3 for Exchange Server … [Read more...] about Update Rollup 4 for Exchange Server 2007 (KB940006)

Microsoft has released information on how Exchange 2007 SP1 and Server 2008 will work together. Obviously you can just go to article located here and read about it, but I wanted to blog about this and give some key points about operating on Server 2008 and one of the more disappointing things that many organizations will face when they begin to deploy Server 2008. The … [Read more...] about Exchange 2007 SP1 and Server 2008