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Outlook 2010 - reports disconnected - One user cannot connect to Exchange

Posted on 2011-03-22
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Last Modified: 2012-05-11
Hi,

I have a user on a Windows Server 2003 domain using Exchange 2003. Most users have Windows XP / Outlook 2003 but a few with Windows 7 / Outlook 2010.

Today all of a sudden a particular Windows 7 user cannot connect to Exchange. Outlook 2010 reports "Disconnected".
Tried all the normal things such as restarted PC etc, but still no luck.

No other users have issues as far as we know (both Windows 7 and XP). This particular problem user CAN connect to email via OWA and there seems to be no problem doing this.

I then went to another spare Windows 7 PC with the intention of recreating the problem users account. I therefore logged in as that user and went ahead and started Outlook. Once the details are entered regarding exchange it gives this error:

"Cannot open your default e-mail folders. You must connect to Microsoft exchange with the current profile before you can synchronise your folders with your Outlook Data file (.ost)."

Still logged into Windows, as this user I tried to create another profile connecting to my email account (Which is working fine) but this also gave the error message above once all the details were entered and I tried to open Outlook.

What is going on?
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Question by:afflik1923
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by:BCipollone
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Delete any OST's found on that computer first of all and when you run outlook run it as "Outlook.exe /safe"

When you created the profile, was the name resolved through the exchange server without issue?

Are you able to get into the mail at all?

Possible Helpfull link: http://support.microsoft.com/kb/2006508

or this:

http://support.microsoft.com/kb/913843

1. Click Start, click Run, type regedit in the Open box, and then click OK.  
2. Locate and then click the following subkey:
HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\RPC  
3. On the Edit menu, point to New, and then click DWORD Value.  
4. Type DefConnectOpts, and then press ENTER.
5. Right-click DefConnectOpts, and then click Modify.  
6. In the Value data box, type 0, and then click OK.
7. Exit Registry Editor.



A link about Outlook anywhere: http://office.microsoft.com/en-us/outlook-help/use-outlook-anywhere-to-connect-to-your-exchange-server-without-vpn-HP010102444.aspx?pid=CH101395531033
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Author Comment

by:afflik1923
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Rememebr it happens when I try to create a new profile on a different PC for that user.

Yes when first creating the profile, the name resolves fine and it acts like i is all good.
It is only when it goes to create the OST file.

Also note (regarding the first link you provide) in this case this is an Exchange 2003 server with Outlook 2010, so the R{C stuff should not apply.
I will try now the second link fix although there is a default gateway defined.
Thanks for input.
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Author Comment

by:afflik1923
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Also note I did not have the RPC folder within the regedit path as described. I therefore tried the fix it link on the page but this informed me this fix does not apply to this OS.

So thanks but no joy. Any other ideas?
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Accepted Solution

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afflik1923 earned 0 total points
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How bizarre. It started working again! All of a sudden I recived an email from the user that I had prepared earlier and was in the outbox.

I assue there must have been some kind of lock in place on the account and the error was authentication related. Never seen anything like that before and would welcome any input as to what could have happened.
User did complain another application they use via XP compatability mode (and so they need to login, into th domain again in XP mode) crashed and had some issues.
It was after that the Outlook issue occured.

Anyway, all seems OK now.
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Author Closing Comment

by:afflik1923
Comment Utility
Very strange.
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