Tim McMichael
Navigating the world of high availability...and occasionally sticking my head in the cloud...
Extra Extra: Recommended hotfix for your dag…
Author: TIMMCMIC Date: 11/21/2011
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...
Author: TIMMCMIC Date: 10/25/2011
Exchange 2010: Get-DatabaseAvailabilityGroup does not return all attributes of a DAG
When administrators run Get-DatabaseAvailabilityGroup they notice that certain fields within the...
Author: TIMMCMIC Date: 10/23/2011
Error–567 ( JET_errDbTimeTooNew )
I recently worked with a customer who presented an interesting issue. The customer had...
Author: TIMMCMIC Date: 10/10/2011
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...
Author: TIMMCMIC Date: 09/26/2011
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...
Author: TIMMCMIC Date: 09/26/2011
Exchange 2010: Collapsing DAG Networks
As a post configuration step in an Exchange 2010 Database Availability Group installation the...
Author: TIMMCMIC Date: 09/26/2011
Exchange 2007 - Standby clustering with pre-staged resources (part 2)
Recently I’ve worked with several Exchange 2007 customers that are leveraging storage replication...
Author: TIMMCMIC Date: 09/26/2011
Exchange 2007 - Standby clustering with pre-staged resources (part 1)
Recently I’ve worked with several Exchange 2007 customers that are leveraging storage replication...
Author: TIMMCMIC Date: 09/26/2011
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...
Author: TIMMCMIC Date: 09/26/2011
Exchange 2010 SP1: StartDagServerMaintenance.ps1 fails on databases that have only two database copies.
In Exchange 2010 Service Pack 1 we introduced some new DAG management scripts. These scripts can be...
Author: TIMMCMIC Date: 09/26/2011
Exchange 2010 and Windows 2008–Partitioned Cluster Networks
Recently I had the opportunity to work on an Exchange 2010 Database Availability Group installation...
Author: TIMMCMIC Date: 09/20/2011
Another recommended read….
Author: TIMMCMIC Date: 08/01/2011
Exchange 2010 SP1: StartDagServerMaintenance.ps1 fails when a server contains databases with a single copy.
In Exchange 2010 Service Pack 1 we introduced some new DAG management scripts. These scripts...
Author: TIMMCMIC Date: 07/25/2011
Exchange 2010 - Using VSS to perform an online offline database seed.
When implementing an Exchange 2010 Database Availability Group it may become necessary to perform a...
Author: TIMMCMIC Date: 07/12/2011
Exchange online streaming backups…
In Exchange 2003 and revisions prior the most common backup taken of an Exchange server leveraged...
Author: TIMMCMIC Date: 07/12/2011
Exchange and Windows Server Backup
When using Windows Server Backup to backup Exchange 2007 and Exchange 2010 there are essentially...
Author: TIMMCMIC Date: 07/12/2011
Do I need to do a backup after I do a restore?
Over the last few days I’ve received questions from several people inquiring if it is necessary and...
Author: TIMMCMIC Date: 07/12/2011
Exchange 2007 / 2010: Windows Server Backup and Backup Completion Times
Administrators are choosing Windows Server Backup to backup their Exchange 2007 and Exchange 2010...
Author: TIMMCMIC Date: 07/12/2011
Exchange 2007 / 2010: Windows Server Backup and Performance Issues
Some administrators choose Windows Server Backup to backup their Exchange 2007 and Exchange 2010...
Author: TIMMCMIC Date: 07/12/2011
Exchange / VSS / and differential block size…
Today’s backup and restore operations require close coordination between backup applications, the...
Author: TIMMCMIC Date: 07/12/2011
Another good read….
Author: TIMMCMIC Date: 06/26/2011
Recommended reading - Exchange 2010 Data Guarantee API
Author: TIMMCMIC Date: 05/08/2011
Exchange 2010: Restore-DatabaseAvailabilityGroup fails to evict nodes error 0x46.
Restore-DatabaseAvailabilityGroup is one of the cmdlets used as part of the datacenter switchover...
Author: TIMMCMIC Date: 05/04/2011
Exchange 2007–Using LCR to perform an online offline database seed.
When using continuous replication in Exchange 2007, an operation that sometimes needs to be...
Author: TIMMCMIC Date: 05/04/2011
Exchange 2010: Third party replication API and the DataMoveReplicationConstraint
In Exchange 2010 the out of box behavior for a database availability group (DAG) is to utilize...
Author: TIMMCMIC Date: 05/03/2011
Exchange 2010: Error 0x721 - A security package specific error occurred
Recently I was presented with an interesting case regarding the inability to mount databases. ...
Author: TIMMCMIC Date: 05/03/2011
My LCR / CCR / SCR / DAG database copy is in dirty shutdown state…
In recent weeks I’ve had several peers and customers present with concerns that when using Local...
Author: TIMMCMIC Date: 01/09/2011
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...
Author: TIMMCMIC Date: 10/04/2010
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...
Author: TIMMCMIC Date: 10/04/2010
READ ALL ABOUT IT!! Designing a Highly Available Database Copy Layout
Have a DAG? Thinking about having a DAG? I recommend you check out this awesome...
Author: TIMMCMIC Date: 09/12/2010
Windows 2008 and 2008 R2 Cluster Logs
This is a great blog post on Windows 2008 and Windows 2008 R2 Cluster Logs....
Author: TIMMCMIC Date: 09/01/2010
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...
Author: TIMMCMIC Date: 08/29/2010
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...
Author: TIMMCMIC Date: 08/22/2010
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...
Author: TIMMCMIC Date: 08/22/2010
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...
Author: TIMMCMIC Date: 07/13/2010
Exchange 2010 – File Share Witness oddities…
In Exchange 2010 when a Database Availability Group (DAG) it utilized, and there is an even number...
Author: TIMMCMIC Date: 07/13/2010
Mount point design and MSSearch
The use of mount points for Exchange is becoming more common place in many installations. Some...
Author: TIMMCMIC Date: 07/11/2010
MSExchangeRepl 2147 / MSExchangeRepl 2104 / MSExchangeRepl 2127 occurring on Windows 2008 or Windows 2008 R2 with Exchange 2007 Cluster Continuous Replication (CCR)
When Exchange 2007 CCR is installed on Windows 2008 or Windows 2008 R2 the following error may be...
Author: TIMMCMIC Date: 07/11/2010
Network port design and Exchange 2010 Database Availability Groups
(An Exchange 2007 version of this article can be found here: ...
Author: TIMMCMIC Date: 05/30/2010
Upgrading service packs on a single node Exchange 2007 cluster.
There are some installations that utilize a single node cluster hosting a clustered mailbox server...
Author: TIMMCMIC Date: 05/25/2010
Exchange 2010: Cluster core resources, the replication service, and active manager…
Every Exchange 2010 server has a process internal to the replication service known as Active...
Author: TIMMCMIC Date: 05/25/2010
Exchange 2010 – Stopping the Information Store Service does not failover database copies.
In Exchange 2010 we achieve high availability of mailbox databases by utilizing a Database...
Author: TIMMCMIC Date: 05/25/2010
Exchange 2007 – Using VSS to perform an online offline database seed.
When using continuous replication in Exchange 2007, an operation that sometimes needs to be...
Author: TIMMCMIC Date: 05/25/2010
Using a Windows 2008 or Windows 2008 R2 File Server Cluster to host the File Share Witness for an Exchange 2010 Database Availability Group
Recently I have been asked how a file server / file share cluster can be utilized to host the file...
Author: TIMMCMIC Date: 05/25/2010
Cluster Core Resources fail to come online on some Exchange 2010 Database Availability Group (DAG) nodes.
Although Exchange 2010 no longer deploys a cluster resource model we still use Windows Failover...
Author: TIMMCMIC Date: 05/12/2010
Ever have disk performance issues? Check this out…
https://blogs.msdn.com/ntdebugging/archive/2010/04/22/etw-storport.aspx A fantastic new way in...
Author: TIMMCMIC Date: 05/09/2010
Exchange 2007 / Exchange 2010 – Interesting recipient update service issue…
I recently had a case come across my desk where end users reported that after changing certain...
Author: TIMMCMIC Date: 03/22/2010
Exchange 2010 > Add-mailboxdatabasecopy does not utilize replication enabled networks for seeding operations.
In Exchange 2010 after a database availability group (DAG) has been created it is necessary for...
Author: TIMMCMIC Date: 03/22/2010
Exchange 2007 / Exchange 2010: False warning in ExBPA regarding maximum log generation.
In Exchange 2007 / Exchange 2010, the maximum number of log files that can be reached before...
Author: TIMMCMIC Date: 03/15/2010