Exchange 2010: Move-DatabasePath results in an InvalidOperationException when mount points are utilized for storage.

In Exchange 2010 administrators may attempt to move either log files or database files using the command move-DatabasePath.  In some instances the command may fail containing an InvalidOperationException.  Here are some examples of the errors (note that verbose output is utilized): ======================================================== Move-DatabasePath –identity <name> –logFolderPath <path> –verbose [PS] C:\>Move-DatabasePath MBX-1-DB0 -LogFolderPath T:\NewPath -Verbose VERBOSE:…

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Database copies fail to display after upgrading to Exchange 2010 Service Pack 1

  Recently some customers have experienced an issue where database copies do not display when using the Exchange Management Console after upgrading to Exchange 2010 Service Pack 1.  When attempting to view database copies using the Exchange Management Shell no issue is displayed.  Database copies can be viewed in two locations.  The first location is…

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Windows 2008 and 2008 R2 Cluster Logs

This is a great blog post on Windows 2008 and Windows 2008 R2 Cluster Logs. http://blogs.technet.com/b/askcore/archive/2010/04/13/understanding-the-cluster-debug-log-in-2008.aspx TIMMCMIC

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Exchange 2010 SP1: Error when adding or removing a mailbox database copy

If an Exchange 2010 RTM server <or> an Exchange 2010 SP1 Beta has been upgraded to Exchange 2010 SP1 RTM administrators may experience an error when attempting to utilize the remove-mailboxdatabasecopy <or> add-mailboxdatabasecopy commandlets. When running remove-mailboxdatabasecopy the following error is noted: Remove-MailboxDatabaseCopy DAG-DB0\DAG-2 –Verbose WARNING: An unexpected error has occurred and a Watson dump…

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Exchange Databases and Date Modified Timestamps

A question that has come up a few times recently is why does the date modified timestamp on my Exchange databases not change (even though the database is mounted and functioning).  Specifically some administrators have been looking at this as an indicator of health on a passive database copy – which it is not. The…

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Exchange 2007 – Upgrading a service pack on a single copy cluster instance when SAN based replication is utilized.

In Exchange 2007 there are two clustered installation models.  Some customers elect to utilize a clustered installation model based on shared storage – this is a single copy cluster installation.  In order to achieve site resiliency or provide for disaster recovery, some customers will implement a SAN based data replication solution.  Recently I encountered a…

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Continuous Replication Hostnames fail to create or function correctly with Exchange 2007 SP3 Cluster Continuous Replication (CCR) on Windows 2008 R2

Exchange 2007 SP3 adds the support for utilizing Windows 2008 R2 servers.  In Exchange 2007 Cluster Continuous Replication (CCR) installations, all log shipping activity by default occurs over the “public” cluster interface.  When administrators desire to have log shipping activities occur over a “private” network or desire to implement multiple replication paths between nodes, continuous…

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Exchange 2010 – File Share Witness oddities…

In Exchange 2010 when a Database Availability Group (DAG) it utilized, and there is an even number of DAG members, the underlying cluster is implemented utilizing the quorum type Node and File Share Majority.  The settings utilized for the File Share Witness are defined on the DAG when the logical DAG object is created and…

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Mount point design and MSSearch

The use of mount points for Exchange is becoming more common place in many installations.  Some customers feel the best implementation of mount points consists of a small root disk with mount points created from folders on that disk. For example, I may have a Drive L: that is 10 megs and I may create…

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