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Tim McMichael
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Tim McMichael
Exchange 2010: Using seedingPostponed results in a seeded database…
Posted
9 days ago
by
TIMMCMIC
0
Comments
In Exchange 2010 the add-mailboxdatabasecopy command is utilized to add mailbox database copies to database availability group members. When a copy is first added to a member the database is automatically seeded along with the content index. ...
Tim McMichael
Exchange 2010: Mapping DAG network states to cluster network states…
Posted
9 days ago
by
TIMMCMIC
1
Comments
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 replicate and seed databases. The initial network...
Tim McMichael
Part 1: My databases do not automatically mount after I enabled Datacenter Activation Coordination
Posted
9 days ago
by
TIMMCMIC
0
Comments
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. Administrators can enable DAC mode at any time after...
Tim McMichael
Verifying log file truncation…
Posted
15 days ago
by
TIMMCMIC
1
Comments
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 administrators use when verifying log file truncation...
Tim McMichael
Backup dates and times are incorrect even though data has been committed to backup media successfully….
Posted
15 days ago
by
TIMMCMIC
0
Comments
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 had occurred. In this instance, the customer...
Tim McMichael
Backups fail due to consistency check failure…
Posted
2 months ago
by
TIMMCMIC
1
Comments
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 Exchange 2003 installations (that leverage VSS...
Tim McMichael
Exchange 2010: Log Truncation and Checkpoint At Log Creation in a Database Availability Group
Posted
2 months ago
by
TIMMCMIC
2
Comments
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 originally see many logs, and post backup note that only...
Tim McMichael
Verifying the file share witness server / directory in use for Exchange 2010
Posted
2 months ago
by
TIMMCMIC
0
Comments
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 to verify the witness in use for Exchange...
Tim McMichael
Exchange and VSS -- My Exchange writer is in a failed retryable state…
Posted
2 months ago
by
TIMMCMIC
0
Comments
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 VSS writer ID but are loaded by two different...
Tim McMichael
Extra Extra: Recommended hotfix for your dag…
Posted
6 months ago
by
TIMMCMIC
1
Comments
http://blogs.technet.com/b/exchange/archive/2011/11/20/recommended-windows-hotfix-for-database-availability-groups-running-windows-server-2008-r2.aspx
Tim McMichael
Exchange 2010: Implementing a dedicated backup network for a Database Availability Group…
Posted
7 months ago
by
TIMMCMIC
8
Comments
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...
Tim McMichael
Exchange 2010: Get-DatabaseAvailabilityGroup does not return all attributes of a DAG
Posted
7 months ago
by
TIMMCMIC
2
Comments
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...
Tim McMichael
Error–567 ( JET_errDbTimeTooNew )
Posted
7 months ago
by
TIMMCMIC
3
Comments
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...
Tim McMichael
Exchange 2010: HomeMTA and msExchHomeServerName are not updated on mailboxes.
Posted
8 months ago
by
TIMMCMIC
4
Comments
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...
Tim McMichael
Exchange Server 2010 and System Center Data Protection Manager 2010
Posted
8 months ago
by
TIMMCMIC
2
Comments
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...
Tim McMichael
Exchange 2010: Collapsing DAG Networks
Posted
8 months ago
by
TIMMCMIC
8
Comments
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...
Tim McMichael
Exchange 2007 - Standby clustering with pre-staged resources (part 2)
Posted
8 months ago
by
TIMMCMIC
0
Comments
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...
Tim McMichael
Exchange 2007 - Standby clustering with pre-staged resources (part 1)
Posted
8 months ago
by
TIMMCMIC
1
Comments
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...
Tim McMichael
Exchange 2010: VSS backups of passive database copies fail with error C7FF07D7 when preparing snapshot.
Posted
8 months ago
by
TIMMCMIC
0
Comments
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...
Tim McMichael
Exchange 2010 SP1: StartDagServerMaintenance.ps1 fails on databases that have only two database copies.
Posted
8 months ago
by
TIMMCMIC
10
Comments
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 Files\Microsoft\Exchange Server\v14\scripts). One of...
Tim McMichael
Exchange 2010 and Windows 2008–Partitioned Cluster Networks
Posted
8 months ago
by
TIMMCMIC
0
Comments
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 in multiple data centers what was uncommon was...
Tim McMichael
Another recommended read….
Posted
9 months ago
by
TIMMCMIC
0
Comments
http://blogs.technet.com/b/jamec/archive/2011/08/01/exchange-2010-database-page-fragmentation-caused-by-archive-solutions.aspx
Tim McMichael
Exchange 2010 SP1: StartDagServerMaintenance.ps1 fails when a server contains databases with a single copy.
Posted
10 months ago
by
TIMMCMIC
6
Comments
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 Files\Microsoft\Exchange Server\v14\scripts). ...
Tim McMichael
Exchange 2010 - Using VSS to perform an online offline database seed.
Posted
10 months ago
by
TIMMCMIC
1
Comments
When implementing an Exchange 2010 Database Availability Group it may become necessary to perform a database seeding operation. The operation is typically performed as part of adding a mailbox database copy to a DAG member but may also be performed...
Tim McMichael
Exchange online streaming backups…
Posted
10 months ago
by
TIMMCMIC
0
Comments
In Exchange 2003 and revisions prior the most common backup taken of an Exchange server leveraged the ESE Online Streaming APIs. The use of ESE Online Streaming APIs carried forward into Exchange 2007 as customers migrated backup solutions to utilize...
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