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Thursday, July 06, 2006

Exchange: Building an Exchange Recovery Server

There are benefits of creating an Exchange Recovery Server such as validating backups, running Exchange database utilities to test for corruptions or inconsistencies and performing offline restores without impacting the performance of your production Exchange Server. One issue that you may encounter when rebuilding an Exchange Recovery Server is if your Exchange Organization was a product of a 5.5 migration. If so, you will not be able to mount the database on the recovery server. This is due to the descrepancy in the legacydn from your restore server and your production server.

Method 1:

1. Create new forest new domain name, give new hostname
2. Install AD
3. Install Exchange, make sure your Exchange org name is the same as your production org name
4. Make sure servers are patched exactly the same or mounting will fail.
4. Make sure all DB locations, log path partions are the same.

If your 2003 was a product of a 5.5 migration, than mounting will fail because the legacydn of the restore server does not match the legacydn of the production server.

1. Open command prompt. Type ldifde -f c:\exchange.txt -d "CN=Microso ft Exchange,CN=Services,CN=Configuration,DC=fabrikom,DC=com" -p subtree
2. Open the file Exchange.txt. In the text file search for "First Administrative Org" There may be up to 25 entries. When you encounter the first match you need to locate it in adsiedit and change First Administrative Org to the Exchange org name of your production Exchange.
3. Once you have found the first match. Open run box and enter adsiedit.msc (From windows support tools)
4. If you're familiar with adsiedit you need to go to your Exchange Configuration Container à Services à Microsoft Exchange. You should see your org name. Most of the matches will be within this subfolder. Find the match and change the legacydn of your restore server (first admin org) to match the orginal org name. So basically anywhere you see "First Administrative Org" you need to change to your production org name. If you do not do this mounting will fail.

James Chong (MVP)
Security+, Project+, ITIL

How useful was this article? Want to see a tip not listed? Please leave a comment.


Anonymous Anonymous said...

Hi James,

can i recovery exchange offline?
because my exchange server was broken last weeks(motherboard failure),and i don't have update backup for it,

the only one that i have just the offline exchange server... hmm :(

do you have suggestion for it?

thank you...


4:17 AM  
Blogger jamestechman said...

Can you get the database file off it? If so yes, you can mount the db to another server.

Moving an Exchange Mailbox Database to Another Server or Storage

James Chong (MVP)

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Blogger Alex said...

Recovery EDB can view the results of recovering edb files. The program doesn't modify source data of edb during restoring. The utility works under all Windows OS and almost every software configuration on your PC.

8:44 AM  
Anonymous Exchange Recovery said...

Hello James,

Yes, You can recover the Exchange Server offline as well as Online too. You can download Stellar Phoenix Exchange Server Recovery 4.1 demo version to see the preview how your exchange server get repairs and restore the data in distinct PST files for every user mailbox.

William Smith

2:19 AM  
Anonymous Exchange EDB Recovery said...

Checkout one of the best Exchange Server EDB Recovery software, which i ever used :


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Anonymous said...

To recover the lost data, Exchange Server is repaired that help in eliminating errors in Exchange Server and removing the data inaccessibility issue.

4:27 AM  
Anonymous said...

Users suffer from mail inaccessibility problem and the need of third party recovery software becomes prominent. Kernel Data Recovery group presents such a proficient Exchange recovery tool.

4:31 AM  
Blogger michael phelps said...

EDB to PST tool used for convert edb files into multiple pst format. You can easily Separate pst files according to mailboxes.

4:37 AM  
Anonymous Enstella Exchange Recovery said...


You can perform recovery of offline exchange with Enstella Exchange Recovery software which is available on

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Blogger Bon Maria said...

In situations like server crash, dirty shut down cases, power sabotage, virus attack, accidental user mailbox deletion or jet engine errors EDB or Exchange Database files that store entire user mailbox information may get corrupt or damaged. To recover these files, you can use Lepide Exchange Manager that retrieves emails along with their related properties and entire information and save it in PST format.
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We successfully fixed the Exchange server disaster situation with the help of this tool: Exchange Server Recovery Software


1:46 AM  
Anonymous Anonymous said...

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9:34 PM  
Blogger Evelyn Smock said...

Thanks for detail information about exchange server corruption. It is really very bad situation faced by the Exchange server administrators. It is true that eseutil /p repair method remove the corrupt or unrecognized items from database (.edb) file to bring the database into consistent state. However, there are some third party tools which rebuild the corrupt items and make the database consistent. Thus, users should take backup on regular basis to prevent data loss situations and also to handle the disaster situations efficiently. In the absence of valid database backup, it is good to use a third party tool like this:

This tool has been designed with strong scanning modes to handle the corruption and to prevent data loss issues. This software rebuilds the damaged items and enables the users to directly mount the database to MS Exchange Server.

9:13 AM  
Blogger Jeramy Adams said...

Due to the nature of the .EDB file's structure in holding multiple mailboxes, converting your EDB to a single PST would not be possible; however there are tools that allow you to export individual mailboxes to separate .PST files. The tool I have used for several years,You can download free from

4:14 AM  
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12:53 AM  
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12:42 AM  
Blogger Adrian Shaw said...

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4:39 AM  
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2:31 AM  
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3:45 AM  
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To open corrupted EDB file in well mannered use excellent Exchange EDB to PST Recovery software, With this software Exchange user easily get back their entire EDB file data without changing its originality. Utility can smoothly convert EDB file to PST file with original format and it also works on whole versions of Exchange file. This software can gives you instant result after complete recovery and conversion process of EDB to PST


5:06 AM  
Blogger jhon drake said...

You can also try this exchange server recovery software which are available on to easily recover corrupt .edb files and fix all edb files corruption problems like corruption of storage media, Exchange server crash, sudden system shut down etc. with the help of this tool, you can convert .edb files to .pst files with all mailbox items.

2:39 AM  
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Blogger Max well said...

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5:31 AM  
Blogger michel jon said...

Good , There are many third party tool like which recover corrupt or inaccessible exchange server database and convert them to pst files. It's convert public folder content with complete structure and convert exchange database (pub.edb & priv.edb) into office 365 as well

4:04 AM  

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