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Unable to do an online backup of the information store

I am running a Windows NT 4.0 with MS Exchange 5.5 Enterprise Edition. We are running Veritas Backup Exec. Apparently since the last 10 days, the backup gets aborted when it reaches the IS. Unfortunately the last successful backup is of last monthend. We are planning to move all the mailboxes to a temp server and then delete the priv.edb as the solution seems to be fine and we can do it.

We are also running a Desktop Fax application Facsys 4.7 which is integrated to Exchange 5.5 and see an existence of the connector, etc. on the mailbox resources. We would like to know if we were to delete the priv.edb and recreate it, would it impact the Facsys applications.

The error that we recieve on the backup log is below and have understood it to be JET related error and the database is corrupt and either has to be restored from a good backup or otherwise recreate the the priv which seems to be a better solution.

"The Exchange Store service is not responding. Backup set aborted."

Thanks
ISS Expert
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aa230002
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Try taking the backup using NTBackup utility. If its also failing, you know its Information store issue and better is to do an ExMerge and then delete and re-create the database file. Put the data back using ExMerge.

I dont think, your Facsys application would have any affect.

Thanks,
Amit Aggarwal.
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ISS_Expert

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Amit,

thanks for the quick response but we have already tried the NTbackup but that failed too.
Could you please explain ex-merge? Never used it.

Thanks
ISSE
XADM: How to Use the Exmerge Utility to Extract Data from a Damaged Private Information Store
http://support.microsoft.com/kb/259688/en-us

You need an older version of ExMerge (For Exchange 5.5)

Thanks,
Amit Aggarwal.
>We are also running a Desktop Fax application Facsys 4.7 which is integrated to Exchange 5.5 and see an existence of the connector, etc. on the mailbox resources. We would like to know if we were to delete the priv.edb and recreate it, would it impact the Facsys applications.

You mentioned  that you see the existence of the connector on the mailbox resources. Where in mailbox resources? Do you see it when you double click on an object under mailbox resources and then it brings up the properties of the mailbox and then under the email address tab? or somewhere else.

if it is under the email address tab then re-creating the database would remove it because it is stored in the dir.edb file

regarding your second question, Exmerge is used to export mailboxes into a.pst file which can later be imported into an exchange database.
Exmerge breaks single instance storage, so you you might see an increase in the database size when you import the .pst files into the new database
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Question to all 3 on using the exmerge: Can I use this tool on Windows NT 4.0 with Exchange 5.5 or do I need to have a Windows 2000 server?

Secondly, If i physically copy all the exchsvr(the edbs, logs, etc) information from the old server and put these files into a temp server with the same name, site, organisation etc. Will i be able to bring the server up with IS working fine? The reason for asking this is because we have exported the mails of the last 15 days into pst and going to restore the IS using the last successful backup and then import the psts back. But we would like to test exmerge, fixing the corrupt database using the eseutil and isinteg and see if we can get everything in order. But of course the important thing can we just use these files and put into a test server and get the IS up and running.

Once again, thank you all for all your help.
Ciao
J (ISSE)
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