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Tim McMichael

Navigating the world of high availability...

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March 2009 - Posts

EXTRA!! EXTRA!! Read all about it…get your SCR fixes here (aka Exchange 2007 SP1 RU7 released!)
Exchange 2007 SP1 RU7 released today.   The following important SCR (Standby Continuous Replication) fixes are now available. KB 961281 Update Rollup 5 for Exchange Server 2007 Service Pack 1 introduced an error when you enable SCR for a storage Read More...
Running setup.com /clearLocalCMS on a Windows 2008 cluster disables the machine accounted (VCO) associated with the CMS name.
The setup.com /clearLocalCMS is responsible for purging the clustered configuration for Exchange resources without making any changes to the active directory for the Exchange instance.  This command is commonly used to clean the cluster configuration Read More...
Exchange 2007 /newCMS or /recoverCMS fails when installing on Windows 2003 clusters.
When running Exchange 2007 /newCMS or /recoverCMS on a Windows 2003 clustered node, the following error may be noted in the setup command. [ERROR] The computer account '<CMSName>' was created on the domain controller '\\PDCEmulator.domain.com, but Read More...
Using Standby Continuous Replication in both single node cluster implementation and database portability implementation when only a single machine is available.
Last week I received an interesting question from one of our Exchange MVPs.  “Can I use a single node cluster as an SCR target for both recovering the entire cluster or recovering just a single database?” My original thoughts on this was no…when Read More...
A lossy failover causes duplicate mails to be delivered to clients from the hub transport dumpster when using Exchange 2007 SP1 Cluster Continuous Replication (CCR).
In the recent weeks I have worked with some customers that have experienced duplicate mails in the Outlook client after a CCR cluster experiences a lossy failover. A lossy failover occurs when the Exchange resources move between nodes and logs exist on Read More...
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