How do you reinstall Exchange on SBS 2003?

Hi All,
I am having the same issue as ....
How do you reinstall Exchange on SBS 2003?
We had major issues getting it running on this server (upgraded from SBS 2000) and I am uncertain how to reinstall just exchange.  Will the user accounts and mailboxes need to be recreated?

Many thanks,
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Dmitri FarafontovLinux Systems AdminCommented:
You can do a repair installation from a CD. Always backup first
Before you do that.

I have now found that if you create the user and restart the server (i have had this problem a couple of times) then the e-mail accout gets properly created. Obviously this isn't a permanent fix but i would be interested in knowing how long you waited for the e-mail alias' etc. to be created before trying something else. I got a feeling that SBS2003 is just taking a while sometimes to create the accounts and a restart is just poking it in the proverbial a little bit.


To re-run setup for SBS you need to go to add/remove programs, choose the Microsoft Small Business Server option then re-run the wizard. It's the same as the wizard you get when setting up SBS for the first time, but the system will pre-populate all the important stuff with your settings. All you need to change is select "reinstall" in the drop-down box for exchange (and any exchange features listed if you expand exchange) when prompted to choose the features to install...

You won't lose users or mail...

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Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
Hi DeltaFire,

harleyjd is correct.... however, there are a few steps that are important in the process.

1.  Disconnect your server from the Internet so that it stops trying to receive and send mail.
2.  Run NTBackup and do a full backup of both the Exchange Store and the System State.
3.  Unmount your private and public mail stores and rename the MDBDATA folder to MDBDATAOLD.  
4.  Reinstall Exchange with the integrated setup via Add/Remove Programs -- Windows Small Business Server 2003.  
5.  Once that's done, unmount the new stores, copy the old file into the new MDBDATA folder and then remount them.  
    (This is just a safe, and secure way to ensure that you don't lose your data store).
6.  Reinstall SP1 and any other Exchange related patches.
7.  Reconnect the server to the Internet
8.  Run the CEICW (Configure Email and Internet Connection Wizard)

I've had to do this a number of times... and sometimes it doesn't work at first... and you may have to try reinstalling again... but as long as you have your datastore backed up somewhere you'll be able to recover just fine.

Good Luck!


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jlemondsAuthor Commented:
We had created the user 2 weeks ago and rebooted twice during that time period with no luck.  Thanks for the input nonetheless.
I'm going to go with Jeff on this one for the CYA on the data side with a partial to harleyjd for essentially the same fix less the backup procedure.

Thanks all,
harleyjd and TechSoEasy are definately correct. I just did this today and it works.
Make sure you install service packs afterwards or OWA will be hosed.
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Windows Server 2003

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