EDB Diff for Exchange Server

Frequently Asked Questions

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Questions And Answers

Can EDB Diff for Exchange Server repair my Exchange Server email database?

What limitations does the demo version of EDB Diff for Exchange Server have?

I have tried the demo. How do I decide whether to purchase the full version of EDB Diff for Exchange Server?

What are the differences between product licenses?

Why do results of recovery contain less data than the original Exchange Server email database?

Running EDB Diff for Exchange Server from command line (through Windows Start -> Run menu).

After processing original email databases 2 folders with Personal Storage Files (.PST) are created: 'Added' and 'Removed'. What are these folders for?

Questions And Answers

Q:

Can EDB Diff for Exchange Server repair my Exchange Server email database?

A:

The effective way to find out if a Exchange Server email database is recoverable is to try the demo version of EDB Diff for Exchange Server on it. Visit the Demo page for a free copy of the demo.

Product specifications with lists of items recovered and not recovered is available at the Product Information page.

Note: Always backup your original corrupted Exchange Server email database before proceeding with any recovery activity!

Q:	What limitations does the demo version of EDB Diff for Exchange Server have?
A:	The demo version recovers only several messages per mailbox from the corrupted email database. The others are left blank. File attachments (if any) are not recovered. If due to file damage an entire object (such as a folder) has been lost, the full version of EDB Diff for Exchange Server will not be able to recover it.

Q:	I have tried the demo. How do I decide whether to purchase the full version of EDB Diff for Exchange Server?
A:	Evaluating the results of demo recovery can help in making the decision.

Q:	What are the differences between product licenses?
A:	Details of current licensing scheme are described at the Licensing page.

Q:	Why do results of recovery contain less data than the original Exchange Server email database?
A:	This is normal. The damaged parts of your Exchange Server email database will convert to zero size on output. The other common reason of file size decrease is when some of features of the original email database are not supported and therefore absent from the recovered email database. Demo-recovered email database is smaller because it mostly consists of demo placeholders than actual data.

Q:

Running EDB Diff for Exchange Server from command line (through Windows Start -> Run menu).

A:

If your license type is Enterprise or Service, you can run EDB Diff for Exchange Server from command line and use these calls in your batch files. Standard version does not support command line. The format for command line call is:

esd.exe <original filename with path> "<path to directory to store the recovered file(s)>"

(without angle brackets).

Please note that the directory for recovered file(s) should be created before starting the recovery.

Command line mode supports patterns '*' (replaces group of symbols) and '?' (replaces one symbol).

Q:

After processing original email databases 2 folders with Personal Storage Files (.PST) are created: 'Added' and 'Removed'. What are these folders for?

A:

EDB Diff for Exchange Server processes original email databases and stores differing mailboxes and single items into 2 folders. Mailboxes and items present in older email database (the 1st one) but absent from the newer email database (the 2nd one) are stored in folder called 'Removed'. Mailboxes and items present in newer email database (the 2nd one) but absent from the older email database (the 1st one) are stored in folder called 'Added'.
It is recommended to select the oldest email database as a first source and the newest one as a second one to prevent logical confusion.

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EDB Diff for Exchange Server

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