Clik here to view.
Exchange 2010 and Windows 2008–Partitioned Cluster Networks
Recently I had the opportunity to work on an Exchange 2010 Database Availability Group installation where nodes were installed in multiple data centers. Although not uncommon to have nodes installed...
View ArticleClik here to view.
Exchange 2010 SP1: StartDagServerMaintenance.ps1 fails on databases that have...
In Exchange 2010 Service Pack 1 we introduced some new DAG management scripts. These scripts can be found in the Exchange Server installation directory \ scripts. (This is usually c:\Program...
View ArticleClik here to view.
Exchange 2010: VSS backups of passive database copies fail with error...
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...
View ArticleClik here to view.
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...
View ArticleClik here to view.
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...
View ArticleClik here to view.
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...
View ArticleClik here to view.
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...
View ArticleClik here to view.
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...
View ArticleClik here to view.
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...
View ArticleClik here to view.
Exchange 2010: Get-DatabaseAvailabilityGroup does not return all attributes...
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...
View ArticleClik here to view.
Exchange 2010: Implementing a dedicated backup network for a Database...
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...
View ArticleClik here to view.
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
View ArticleClik here to view.
Exchange and VSS -- My Exchange writer is in a failed retryable state…
In Exchange 2007 and Exchange 2010 many customers are leveraging VSS based backups to retain and protect their Exchange data. By default Exchange provides two different VSS writers that share the same...
View ArticleClik here to view.
Verifying the file share witness server / directory in use for Exchange 2010
If you’ve read my blog post on file share witness oddities you might be asking yourself “how can I actually verify what file share witness is in use in my environment?” There are three different ways...
View ArticleClik here to view.
Exchange 2010: Log Truncation and Checkpoint At Log Creation in a Database...
In previous versions of Exchange, when a backup was completed, almost all log files prior to the current log file were truncated from the system. Administrators monitoring the directory would...
View ArticleClik here to view.
Backups fail due to consistency check failure…
Last week I had the opportunity to work with a customer who was experiencing issues backing up their Exchange 2010 databases. The issue they experienced though is relevant to both Exchange 2007 and...
View ArticleClik here to view.
Backup dates and times are incorrect even though data has been committed to...
This week I had a chance to speak with a customer who raised concerns that their backups were completed according to their backup application but Exchange was not showing that a successful full backup...
View ArticleClik here to view.
Verifying log file truncation…
In support we see cases from customers regarding log file truncation. One question that commonly comes up is how do you verify log file truncation actually occurs? The most common method that...
View ArticleClik here to view.
Part 1: My databases do not automatically mount after I enabled Datacenter...
Datacenter Activation Coordination (DAC) mode is a property of a Database Availability Group (DAG) that, when enabled, forces starting DAG members to acquire permission in order to mount databases....
View ArticleClik here to view.
Exchange 2010: Mapping DAG network states to cluster network states…
In Exchange 2010 after a Database Availability Group (DAG) is created a series of DAG networks is also created. These DAG networks serve to define how Exchange 2010 servers within the DAG will...
View Article