Dumpster and Backups

Posted on 2011-10-05
Last Modified: 2012-09-17

Running Exchange 2007 SP3. We have the following backup cycle:

Friday night: Full backup
Other nights: Incrementals (to clear logs)

Our Keep Deleted Items setting is 5 days.

One of our users has lost some important emails, he think he may have deleted them, but he can't be sure when.

We've checked the Recover Deleted Items, but they're not in there, which effectively means he's not deleted them in the last 5 days.

Does anyone know if the Dumpster is backed up with Exchange mailbox backups? I assume so, since it's part of the mailbox.

Does this mean we can:

1. Restore his mailbox (from 2 weeks back) to RSG
2. Run the restore-mailbox command to restore from RSG to a test mailbox
3. In the test mailbox, check Recover Deleted Items for any items?

Is this all possible?

Also, I understand that Recover Deleted Items is on a per-folder basis. Is there any way to view the Dumpster for this entire mailbox?
Question by:bruce_77
    LVL 11

    Expert Comment

    I don't believe the dumpster is backed up, it should be purged after 5 days.  did you check the recover deleted items through outlook or owa?
    LVL 3

    Expert Comment


    Do you have a PST for this user, or the number of emails was small enough to fit into the mailbox?
    LVL 17

    Accepted Solution

    1. The dumpster is part of the database so the data will be within a DB backup, however I don't think the dumpster items are accessible via the RSG nor via ExMerge i.e. it can pull back items that are in the deleted items folder at the time of backup, but not hard deleted items

    2. Do you know if the user did a regular delete (moves items to deleted items folder) or a hard delete SHIFT+DELETE?  If it s hard delete then the items don't get put into the deleted items folder they get deleted in place and you can see them when logged in as the user IF you run this regedit fix and IF you know the folder they were deleted from and IF you get to that area before the deleted item retention period.

    3. If the above doesn't work for you there are 3rd party products that can do this, just search Google for something like "recover hard deleted items from offline database"
    LVL 17

    Expert Comment

    Thanks for the points and glad I was able to assist

    Write Comment

    Please enter a first name

    Please enter a last name

    We will never share this with anyone.

    Featured Post

    Do email signature updates give you a headache?

    Do you feel like you are constantly making changes to email signatures? Are the images not formatting how you want them to? Want high-quality HTML signatures on all devices, including on mobiles and Macs? Then, let Exclaimer solve all your email signature problems today.

    Set OWA language and time zone in Exchange for individuals, all users or per database.
    Check out this infographic on what you need to make a good email signature that will work perfectly for your organization.
    In this video we show how to create a Contact in Exchange 2013. We show this process by using the Exchange Admin Center. Log into Exchange Admin Center.: First we need to log into the Exchange Admin Center. Navigate to the Recipients >> Contact ta…
    In this video we show how to create an email address policy in Exchange 2013. We show this process by using the Exchange Admin Center. Log into Exchange Admin Center.:  First we need to log into the Exchange Admin Center. Navigate to the Mail Flow…

    761 members asked questions and received personalized solutions in the past 7 days.

    Join the community of 500,000 technology professionals and ask your questions.

    Join & Ask a Question

    Need Help in Real-Time?

    Connect with top rated Experts

    11 Experts available now in Live!

    Get 1:1 Help Now