Extra Extra: Recommended hotfix for your dag…

http://blogs.technet.com/b/exchange/archive/2011/11/20/recommended-windows-hotfix-for-database-availability-groups-running-windows-server-2008-r2.aspx

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Exchange 2010: Implementing a dedicated backup network for a Database Availability Group…

Occasionally, customers that deploy highly available Mailbox servers use a dedicated or secondary network for backup operations. The way in which you do this in Exchange 2010 has changes, and it’s important that when you implement such a configuration that you don’t use the methods or instructions designed for previous versions of Exchange.   In…

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Exchange 2010: Get-DatabaseAvailabilityGroup does not return all attributes of a DAG

When administrators run Get-DatabaseAvailabilityGroup they notice that certain fields within the output are not populated.  In some scenarios this leads administrators to attempt to change settings of the DAG or believe that there is an operational issues with the DAG.    [PS] C:\Windows\system32>Get-DatabaseAvailabilityGroup DAG | fl RunspaceId                             : 37b4f2b4-06b8-4e87-9252-968452ab3a28 Name                                   : DAG Servers                                : {DAG-4,…

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Error–567 ( JET_errDbTimeTooNew )

I recently worked with a customer who presented an interesting issue.  The customer had installed an Exchange 2007 Cluster Continuous Replication solution where nodes leveraged independent direct attached storage.  On the active node of the cluster the customer began to experience storage issues that lead to physical corruption of the Exchange database files.  In this…

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Exchange 2010: HomeMTA and msExchHomeServerName are not updated on mailboxes.

In Exchange 2003 and Exchange 2007 when clients would attempt to connect to a mailbox it would be based on the server where that mailbox was homed.   Specifically these attributes would contain information about the server where a particular mailbox was homed:   HomeMTA msExchHomeServerName   In Exchange 2010 a mailbox object is no longer…

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Exchange Server 2010 and System Center Data Protection Manager 2010

When using System Center Data Protection Manager 2010 to protect an Exchange Server 2010 solution there are four essential steps that need to occur in order for the backup to be successful.   1)  Volume shadow copy is made of the Exchange data on the host where the backup is initiated. 2)  The data on…

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Exchange 2010: Collapsing DAG Networks

As a post configuration step in an Exchange 2010 Database Availability Group installation the administrator may need to collapse Database Availability Group Networks.  Unfortunately this is a commonly missed configuration which results in the replication of log files in an unexpected manner.   Let’s take a look at the following Exchange installation.     In…

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Exchange 2007 – Standby clustering with pre-staged resources (part 2)

Recently I’ve worked with several Exchange 2007 customers that are leveraging storage replication solutions with a Single Copy Cluster (SCC) as part of their site resiliency / disaster recovery solution for Exchange data. As a part of these implementations, customers are pre-staging clusters in their standby datacenters <and> creating Exchange clustered resources for these clusters….

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Exchange 2007 – Standby clustering with pre-staged resources (part 1)

Recently I’ve worked with several Exchange 2007 customers that are leveraging storage replication solutions with a Single Copy Cluster (SCC) as part of their site resiliency / disaster recovery solution for Exchange data. As a part of these implementations, customers are pre-staging clusters in their standby datacenters <and> creating Exchange clustered resources for these clusters….

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Exchange 2010: VSS backups of passive database copies fail with error C7FF07D7 when preparing snapshot.

Recently I worked with a customer that was having backup failures when attempting to backup passive database copies on an Exchange 2010 DAG member.  Active database copies would backup without any issues.   The issue reproduced with both the commercial VSS product and utilizing VSS test procedures with the DISKSHADOW utility.   When reviewing the…

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