RE: Repairing / modyfing Exchange
- From: v-natliu@xxxxxxxxxxxxxxxxxxxx ("Nathan Liu [MSFT]")
- Date: Fri, 05 Aug 2005 03:23:03 GMT
Hello Georgek,
Thank you for posting in the SBS newsgroup.
Also, many thanks for Axel's great input.
According to your description, I understand that you would like to move the
Exchange Database to another disk, and restore the mailbox store. If I have
misunderstood your concern, please don't hesitate to let me know.
Question: Is there a way to move it to the D: partition which is about 40GB
without destroying everething (including outlook web access)?
Answer: Axel is right, please refer to the KB article 821915 to move the
Exchange Database. For detailed information, you may refer to the below
document:
821915 How to move Exchange databases and logs in Exchange Server 2003
http://support.microsoft.com/?id=821915
Moving Data Folders for Windows Small Business Server 2003
http://go.microsoft.com/fwlink/?LinkId=49931
Additionally, if you have a good backup of the original Exchange
information store in case the original server is totally damaged, to
restore the data back or mount the edb file on a newly installed Exchange
server, the following essential naming scheme elements in your original
organization must be the same as your new one.
* The Exchange organization name.
* The name of the administrative group to which the database belongs.
* The name of the storage group to which the database belongs.
* The logical database name itself.
* The legacyExchangeDN value for the administrative group object that the
database currently belongs to.
For more information, please refer to the following link:
http://www.microsoft.com/technet/prodtechnol/exchange/2000/support/dbrecovr.
mspx
However, in case there is some differentiation, Legacydn.exe could help you
some.
Legacydn.exe is a tool that you can use to perform the following tasks:
- Change the Microsoft Exchange 2000 Server or Microsoft Exchange Server
2003 organization name.
- Change the administrative group names.
- View the legacyExchangeDN values.
- Change the legacyExchangeDN values.
Note We only support the use of the Legacydn tool in a lab environment. The
tool works only in a single domain controller environment.
For more information, please refer to:
324606 XADM: How to Use Legacydn.exe to Correct Exchange Organization or
Administrative Group Names
http://support.microsoft.com/?kbid=324606
293324 XADM: "C104173A" Error Message Occurs After You Restore the Database
http://support.microsoft.com/?id=293324
Furthermore, in case you have a good backup and meet the above
requirements, when you recover the database in the RSG, you could still not
recover the mailbox since the Exmerge file may not find the original user
referenced in the original mail store. Following error will occur:
Error! Cannot identify the user with the msExchMailboxGuid
\3C\C8\7D\D7\99\C3\FCL\B5\E3\FEUWa\D6F. The legacyExchangeDN is
/O=DOMAIN/OU=FIRST ADMINISTRATIVE GROUP/CN=RECIPIENTS/CN=USER.
This is because the exmerge utility cannot find referenced user in the AD.
In normal mail store, we could create a non-mail enabled user and connect
the orphan mailbox in storage via Mailbox Wizard. However, in the RSG, it
is not possible. We need to manually create new user and replace the
msExchMailboxGuid via ADSI.
In the Exmerge log, we may find filtered msExchMailboxGuid as
\3C\C8\7D\D7\99\C3\FCL\B5\E3\FEUWa\D6F
We may need to manually translate it to valid form via following rule
\3C\C8\7D\D7\99\C3\FCL\B5\E3\FEUWa\D6F -> will become separated with spaces
like this:
3C C8 7D D7 99 C3 FC L B5 E3 FE U W a D6 F -> we have to convert letters
L,U,W,a and F back to Hex using ASCII table (attached as below)
3C C8 7D D7 99 C3 FC 4C B5 E3 FE 55 57 61 D6 46 -> this is our recovered
msExchMailboxGuid
Then, the whole steps on the SBS server will be:
1. Logon SBS server as built-in administrator
2. Restore the exchange database file (*.edb, *.stm) to the SBS server
3. Run Exchange utility and make sure it is in the Clean state
4. Create a new Recover Storage Group
5. Add database to Recover and select the only database you find
6. Delete all files created in the new Recover storage Group folder. Copy
the backup edb and stm file to this folder and rename it as mentioned in
the recovery storage group database settings.
7. On the Database tab of the Mailbox Store Properties dialog box, verify
that the "This database can be overwritten by a restore" check box is
selected.
8. Mount the store.
9. Create new users
10. Modify the msExchMailboxGuid properties mentioned above via ADSI.
11. Run the Exmerge program and export it to a PST file
To get additional information, you may refer to the following document:
Exchange 2000 Server Database Recovery
http://www.microsoft.com/technet/prodtechnol/exchange/2000/support/dbrecovr.
mspx#XSLTsection128121120120
I am appreciated your time and cooperation. If anything is unclear, please
feel free to let me know. I am looking forward to hearing from you.
Best regards,
Nathan Liu (MSFT)
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>Thread-Topic: Repairing / modyfing Exchange
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>From: "=?Utf-8?B?R2VvcmdlSw==?=" <GeorgeK@xxxxxxxxxxxxxxxxxxxxxxxxx>
>Subject: Repairing / modyfing Exchange
>Date: Thu, 4 Aug 2005 14:30:03 -0700
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>Hi, we have a SBS2003 server and we used exchange. A few days ago our
raid
>crushed and we almost lost all our files. We managed to rescue most of
them
>but we had to reinstall the OS. By error I selected to keep the exchange
>databases in c:\program files\exchsrvr which is only 20Gb (about 6GB free)
..
>Is there a way to move it to the D: partition which is about 40GB without
>destroying everething (including outlook web access)?
>Also due to the failure we want to restore the mailbox store from the
>previous installation in order to get back the older messages, but I don't
>know how. I only have all the directories with the databases. Is there a
way
>to save them and import them to the new one? We have only 12 mailboxes.
>
>Please Help!
>
>Thanks in advance
>
.
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