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Home » Kerio User Forums » Kerio Connect » Problems with Outlook 2010 and Import of Psts (Outlook crashesduring imports from pst files or whilst opening psts in the KOF Account)

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Hi All,

good day, i hope you are all well, i was hoping someone here can help me since am completely clueless by now.

Here are the Specs:

• Notebook Lenovo x220 (8GB RAM/Intel Core i7/320GB HDD)
• Windows 7 Professional 64bit
• Office 2010 32bit
• Kerio Outlook Connector (Offline Edition) 7.4.7694

Here is the Problem, i have a Mailbox (Outlook 2010) that has been working on local pop account and has accumulated over the years lots of .psts besides the mails/folders in the inbox, despite that the account never had problems, all the psts were left "open" and all worked fine. We migrated the inbox (and some of its folders) to Kerio (and to another Outlook 2010/another notebook) last week. Now i am trying to import folders/mails from the various psts into the mailbox to have it all saved and backuped on the Kerio Mail Server. But every time i move files into the Kerio mailbox i get the spinning wheel of death, Outlook does not respond anymore and I get the error message (apphangB1 Outlook.exe) and after that i can't even shut down windows properly. The Problems are a serious issue since these are not the mails of a trainee , and thats not the only problem, since compared to the pop account you now also have the situation that having numerous Pst Files open (without even moving files) can already force Outlook to not respond anymore, this never happened while the user was still using his pop account. I cant even open the KOF Account and open psts without experiencing crashes. Or even open a pst calendar and try to import it unto the new Kerio account.

- What I have tried so far:

- Followed the instructions as prescribed in y-kerio-mailserver-account-373.html . Didn't help

- Opened an IMAP Account and tried to import the Psts Files there before creating the KOF Account on the Machine, there was no difference to when I tried later directly with the KOF Account.

- Disabled all Outlook-Add-Ins (except the Kerio Add-In off course), no change of the situation.

- Disabled Windows Search, didn't change anything.

-Opened Outlook ion Offline Modus, didn't change anything.

- Deleted Outlook profile. Nothing.

- Deleted Kerio Account and set up again. Nothing.

- Completely Deleted Outlook and reinstalled it. No joy.

- Completely deleted Kerio0 and reinstalled it. Guess what, no joy.

- I have completely formatted the brand new notebook and set it up from scratch, I did that actually twice, didn't change anything.

- I replicated the issue on another machine, different hardware, same problem.

Now how much can the Kerio Account handle, there are no limits set from the server side for this account, could there be any volume limitations causing the issue? So far I have been able to move 4000 Mails into the Inbox, all of them manually, good old copy and paste with a few crashes in between, but hey, I've got nothing else to do all day long. =)

Any Suggestions or Solutions?

Lots of thanks in advance for your hints and help, best wishes and a pleasant day/evening to you all,

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I had the exact same issue as you a few years ago; moving large amounts of Outlook objects from PST files into KOFF and KOC accounts, without getting anywhere because of hangs, corrupt mails and whatnot. This was actually PST files created by Microsoft's old Exchange Inbox export tool (it's discontinued now and the name escapes me), connected to Outlook 2007.

What I had to do was repair the PST files with "Outlook Recovery Toolbox" before doing the copy and paste. The tool attempts to read everything in the PST file and export it to a new PST file, something it managed to do successfully with almost all the exported PSTs. It salvages what it can, worst case. Old PST files can be the stuff of nightmares!

It's available from and costs a little, but it saved me a great deal of work, lots of frustration and is directly responsible for us still having a couple of specific customers. None of the free tools available managed to do the job, although this was in 2008/2009. Things may be different now.
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