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Archive for the ‘Database Management’ Category

Exchange 2013 Database Auto Reseed

This is undoubtedly one of the best features in Exchange 2013 clearly because the fact that auto reseed is no less than artificial intelligence. Before you know you had an issue, it is fixed already. (more…)

JET_errMissingLogFile -528 -548 – Exchange 2010 database recovery

I have been dealing with recovering exchange databases for a long time now and recently had someone contact me with a typical no backup server crash scenario. (more…)

Exchange 2013: Creating and testing Database Availability Groups (DAG)

Exchange can be used to reduce the cost and complexity of messaging systems that provide high availability levels and mailbox capacity. (more…)

Exchange 2010 DAG errors

Just thought of listing out some recent DAG error I worked and resolved… Happy to help!!! (more…)

Exchange 2010 DAG implementation & Configuration

This document outlines the installation and configuration of the Database Availability Group on the mailbox server role. (more…)

Disable iSCSI Networks for DAGs

If you have Exchange 2010 DAGs and you use iSCSI to present those servers with storage for the databases, you must ensure the DAG does not use this network. (more…)

Exchange database repair – The eseutil /p process

Recently, a reader of the website came to me with a question- “You explained in detail on how to perform various operations to recover data from an exchange database “which is great”. But, what exactly repair (eseutil /p) processes do?     (more…)

The Operative synopsis of Exchange database and ESE

Have you ever imagined the background processes involved in storing your email message in an exchange database? The process involved in the creation of transaction log files? How does “The famous Store.exe”- Microsoft Exchange Information Store service function and what is its significance? Keep reading…. (more…)

How Exchange 2010 deals with whitespace

With Exchange 2007 and older versions, one of the key elements that an Exchange administrator needed to keep an eye on, and caused confusion for newcomers to Exchange was the amount of white space in the database. (more…)

DAG Maintenance on Exchange 2010 SP1

This article outlines the process of putting your DAG members in maintenance mode prior to any activity. (more…)

Cannot Activate Database Copy: Content Index Catalog Files in Failed State

This post address an issue where the index status shows status “failed” with Exchange 2010 DAG (more…)

Named Props Quota in Exchange 2007, SP1 RU8 and beyond

Ratish post here has already detailed about Named Props Quota and the trouble it creates for the Admins in Exchange 2003 and 2007 and so, I am not going to dive into it now. But the good news is that Exchange 2007 SP1 RU7 and Exchange 2007 SP2 has got in some improvements, but at the same time, not with problems.

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Exchange 2007: Operation terminated with error -939586631 The restore environment information isn’t found or cannot be opened

Exchange 2007 restore process fails with the following error­­­­ -939586631 (more…)

Exchange 2010 database recovery

This article outline’s the steps to restore an exchange database in Exchange 2010, christened Recovery Database for DAG. (more…)

Restore Database of Server A to Server B

In Exchange, it a known issue that we cannot mount or restore database of one server to another. The Database Portability feature in makes it possible in Exchange 2007 but for Exchange 2003 there is a procedure to tackle this situation.

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Event id: 9667 – When database reaches maximum limit of named properties or replica identifiers

UPDATE 30/07/2010: See Enhancements in Exchange 2007 SP2 for Named Props Quota

So what is this Named Property anyways ???

Most objects for MAPI specification are represented as properties which are PropIDs.

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Bad Checksum on Exchange Database

A Bad checksum error on an Exchange Database indicates a database corruption. If you notice the same, consider moving mailboxes ASAP if the stores are still mounted or perform a repair if it went down.

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Exchange Database Recovery – Using eseutil commands

The real job of an exchange administrator is to maintain high availability when it comes to a messaging environment.

Below mentioned processes are not done on a day to day basis, but understanding how the process works is mandatory for every exchange administrator.

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