Error: "An Entry with the same key already exists"

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Error: "An Entry with the same key already exists"

Veeam Logoby pdigiacinto » Tue Sep 27, 2016 3:20 pm

The install went smoothly and I was able to add the Organization without any issues.
Im receiving the following error message after I create a backup job:

Job Processing Failed
An Entry with the same Key already exists

When I try to rerun the job, it will always fail not matter what email accounts I add. I even deleted the job and recreated a new one. Does the same thing.
Anyone experiencing this issue?

Thanks..
Paul
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby Boaz428 » Tue Sep 27, 2016 4:51 pm

I have had the exact same experience, except that this only occurs when attempting to backup "All Mailboxes". If I select individual mailbox(es), I then receive the XML error mentioned in the previous post.
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby pdigiacinto » Tue Sep 27, 2016 5:34 pm

It does on both backing up for me. Full mailbox backups and when I select individual mailboxes as well.
I tried to remove the Organization and re=add it.
I had to remove/reinstall the application and it seemed to work at first, but then did it again after creating more backup jobs.
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby Kostya » Tue Sep 27, 2016 6:40 pm

Hi, could you please provide logs from "C:\ProgramData\Veeam\Backup365\Logs" for further investigation?
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby craig1712 » Tue Sep 27, 2016 10:29 pm

Getting the same here with either all mailboxes or selected ones, but some mailboxes work fine.

Log tail shows

Code: Select all
27/09/2016 22:57:08   23 (13640) Preparing folders for items processing...
27/09/2016 22:57:09   23 (13640) Error: An entry with the same key already exists.
27/09/2016 22:57:09   23 (13640) Stack:
27/09/2016 22:57:09   23 (13640)    at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
   at System.Collections.Generic.SortedList`2.Add(TKey key, TValue value)
   at Veeam.Ews.ExFolderWalker.Walk(IFolderVisitor visitor)
   at Veeam.Archiver.Source.MailboxActivator.PrepareFolders(IMailboxContext bind, ExcludedFolders excluded, CancellationToken cancel)
   at Veeam.Archiver.Source.MailboxActivator.DoWork(CancellationToken cancel)
   at Veeam.Archiver.Source.WorkAction.WorkWrap(CancellationToken cancel)
27/09/2016 22:57:10   22 (12904) Job processing failed
27/09/2016 22:57:10   20 (16072) Invalid folder name format for current granularity: $RECYCLE.BIN
27/09/2016 22:57:10   20 (16072) Folder skipped: $RECYCLE.BIN
27/09/2016 22:57:10   22 (12904) Job 365 Backup failed, remaining retry count: 3
27/09/2016 22:57:10   22 (12904)   Delaying next try to 27/09/2016 23:07:10 (UTC: 27/09/2016 22:07:10)...
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby foggy » Wed Sep 28, 2016 7:34 am

I believe full logs are required for investigation, so we'd appreciate you sharing the full package via some network resource.
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby craig1712 » Wed Sep 28, 2016 8:15 am 1 person likes this post

Sent you a PM with a dropbox link Foggy
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby pdigiacinto » Wed Sep 28, 2016 12:26 pm

Im getting the same results that looks like your logs as well.
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby foggy » Wed Sep 28, 2016 12:41 pm

This comes down to mailboxes having several similarly named folders in some folder (at least it shows up in our lab, where there're two folders in the mailbox root that have identical names). The fix is already available and will be included in the next beta.
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby craig1712 » Thu Sep 29, 2016 5:50 am

Great. Is their a release date for the next beta?

thanks
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby Dima P. » Thu Sep 29, 2016 10:28 am

craig1712,

We can’t provide any details at the moment. Stay tuned for product announcements and updates :wink:
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby Kostya » Thu Oct 06, 2016 4:12 pm

Experimental fix provided via PM.
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby JohnV » Wed Oct 12, 2016 6:32 pm

I get same error. Any chance I can get the fix to test?
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby Kostya » Wed Oct 12, 2016 7:24 pm

JohnV wrote:I get same error. Any chance I can get the fix to test?

Hi John, sent you a link via PM.
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Re: Error: "An Entry with the same key already exists"

Veeam Logoby slashopt » Mon Oct 17, 2016 3:20 pm

May i please also test the fix?
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