Exchange Advice Video – YOUR Advice

You hear from us pretty often. While we absolutely want you to read Ross’ blog and factor in transaction log space in your capacity planning or listen to Perry talk about how we’ve shifted to a services culture, we like hearing from you too. As part of our Exchange Ideas video series, we asked some…


Recommended Windows Hotfix for Database Availability Groups running Windows Server 2008 R2

In early August of this year, the Windows SE team released the following Knowledge Base (KB) article and accompanying software hotfix regarding an issue in Windows Server 2008 R2 failover clusters: KB2550886 – A transient communication failure causes a Windows Server 2008 R2 failover cluster to stop working This hotfix is strongly recommended for all…

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Windows Disk Timeouts and Exchange Server 2010

A few months Bruce Langworthy wrote an excellent article regarding some new recommendations for setting the Windows Disk Timeout value – http://blogs.msdn.com/b/san/archive/2011/08/15/the-windows-disk-timeout-value-understanding-why-this-should-be-set-to-a-small-value.aspx. This post got me thinking about Exchange and how we deal with I/O problems. If you haven’t read Bruce’s article, it explains that the default disk timeout of 60 seconds means that Windows…


Time to revisit recommendations around Windows networking enhancements usually called Microsoft Scalable Networking Pack

Update 1/3/2012: We have had a few reports of customers re-enabling SNP features and running into problems because hardware drivers on systems were very old. Please make sure to update your network-related drivers before re-enabling (or enabling) those features! Over the years, there has been a lot of debate around features in Windows which are…

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Capacity Planning – Yes Transaction Log Space is Critical to Keeping your Databases Healthy and Mounted

The other day I was chatting with one of our Supportability Program Managers, Nino Bilic, and he mentioned something that was rather alarming  – the number one reason why our Premier customers open Exchange 2010 critical situations is because Mailbox databases dismount due to running out of disk space on the transaction log LUN.  I’ll…

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