Outlook 2010 stops receving new emails when in cached mode

User has an Outlook 2010 issue that has been called in on NUMEROUS internal helpdesk tickets and has never been resolved. What happens is several times a week his Outlook 2010 client on his Windows 7 SP1 laptop will stop synchronizing
new messages from Exchange 2010 (not sure exact build/version). His admin assistant still gets his new messages in her Outlook 2007 SP3 client (as his delegate) and he still gets new messages on his iPhone via Good GMM. If he logs in to Outlook
Web Access all his messages are there.
We already tried toggling Cached Exchange mode off and back on several times, the problem still returns whenever in cached mode.
We already tried deleting the outlook.ost file and letting it rebuild several times, the problem still returns.
We already tried deleting the entire Outlook profile and letting it rebuild several times, the problem still returns.
We already tried deleting the entire Windows user profile and letting it rebuild several times, the problem still returns.
We even gave him a whole new laptop, the problem still returned.
Problem started with Outlook 2007, upgraded to 2010, problem returned.
Seems to happen more often when the laptop resumes from sleep, but not always.
Most add-ins are disabled except for McAfee and a few other essential Microsoft ones.
He does not have ANY rules or alerts set, none at all.
He does not have any other mailboxes or shared calendars in Outlook and RSS feeds are off.
He does have 8 PST files and several of them are quite large (three are 2GB each, one is 4 GB).
MCITP:Enterprise Admin (Vista/2008), MCSA/MCSE (2003/XP), MCDBA (2000)

Hi Smitty,
If change other user account on his laptop, and use outlook cache mode, is there the same issue?
If not, I recommend you try to move this mailbox to another database, and check the result.
Best regards,
Niko Cheng
TechNet Community Support

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Outlook won't recieve new emails when synchronizing inbox to server

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Hi,
Please make sure you have the emails sent to the recipients successfully, if not, the emails may be saved to other folders if you have the following setting:
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TechNet Community Support

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Hi Support
I have been directed to ask this question in the IT Pro forum.
Previous thread:
http://community.office365.com/en-us/f/158/p/281263/859737.aspx#859737
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Hi,
Another reference point...
When to use Online Mode
Online Mode is the legacy method of connecting to Microsoft Exchange. It is a fully supported configuration in Office Outlook 2003, Outlook 2007, and Outlook 2010. Online Mode has value in certain scenarios in which the behavior of Cached Exchange Mode is
unwanted. Example scenarios include the following:
“Kiosk” scenarios in which a particular computer has many users who access different Outlook accounts and the delay to download e-mail messages to a local cache is unacceptable.
Heavily regulated compliance or secure environments in which data must not be stored locally for any reason. In these environments, we recommend that you evaluate Encrypting File System (EFS) or BitLocker in addition to Cached Exchange Mode as a potential
solution.
Very large mailboxes on computers that do not have enough hard disk space for a local copy of the mailbox.
Very large mailboxes (greater than 25 GB) on which performance considerations become an issue in Cached Exchange Mode.
Virtualized or Remote Desktop Services (Terminal Services) environments that run Outlook 2007 or Outlook 2003. Cached Exchange Mode is not supported when you run Outlook 2007 or Outlook 2003 on a computer running Remote Desktop Services (Terminal
Services).
Virtualized or Remote Desktop Services (Terminal Services) environments that run Outlook 2010 on which disk size or disk input/output (I/O) limitations prevent running Cached Exchange Mode at the desired scale.
If you work with a very large mailbox, you can reduce the size of the local data file by using synchronization filters. For more information, see
Create a synchronization filter (http://go.microsoft.com/fwlink/p/?LinkID=193917) and
Optimizing Outlook 2007 Cache Mode Performance for a Very Large Mailbox (http://go.microsoft.com/fwlink/p/?LinkID=193918).
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How to troubleshoot performance issues in Outlook (http://go.microsoft.com/fwlink/p/?LinkID=193920).
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Outlook 2010 stopped working

I have used BT-Yahoo webmail and Outlook 2010 to access my BTinternet.com emails for some time. Today, I logged onto webmail and got a new logon page to get to my webmail - all this works fine - I can send & receive emails.
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Solved!
Go to Solution.

I have currently only got access to Outlook 2007. Assuming Outlook 2010 is similar on the drop down at the side of the send/receive button there is an entry at the bottom saying "Send /Receive settings". Click that then "Show Progress".
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Specifically, we're having an issue using Outlook 2010 with the IMAP solution from GoDaddy.
After email is received in the Inbox, if the user manually moves emails to non-IMAP folders (an offline PST), they will appear to move to the folder, but then reappear in the inbox a short time later. This also happens with deleted emails- they'll disappear
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GoDaddy said that the only thing it could be is a "known Outlook issue" wherein message flags are not being delivered to their servers from the Outlook client. I've asked a number of reliable engineers and they've never heard of this issue (but think IMAP
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Hi,
Here is what you may try:
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3. Test compact the folder after deleting an email. It might be an known issue with Thunderbird client.
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Thanks.
Cheers,
Tony Chen
I disabled AV completely and Outlook 2010 with IMAP still has problems with disconnects & timeouts. I recently contacted GoDaddy about this very same thing and got the exact same responses, and Microsoft still denies there's a problem...
These Outlook/IMAP problems have persisted for YEARS!
The problem seems to be one of performance – synchronizing IMAP folders is terribly slow, resulting in chronic disconnections, timeouts, delays of ~4 minutes to delete a message, and lots of user frustration that takes up a lot of my time and I cannot justify
billing for it all. This morning one of my clients reports Inbox messages that have already been read and filed into other folders have just reappeared in their Inbox. I think this is symptomatic of the overall performance problems. The situation is
horrible and getting worse. GoDaddy & Microsoft need to resolve this NOW.
The problem appears to be Microsoft's. I have recently tested Outlook 2010, Windows Live Mail 2012, and Zimbra (open source) on the same Windows 7 computer accessing the same GoDaddy email account using IMAP. Outlook and WLM always have problems,
disconnects, timeouts. Zimbra exhibits none of these problems.
It seems to be related to either Microsoft's IMAP protocol timeouts, or IMAP error response handling, or inability to properly handle multiple IMAP threads (for users with lots of sync'd folders).
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Outlook 2010 IMAP Auto Read Emails

Hi All.
I have an issue witch I'm hoping someone can help me.
I have android, ipad, 2
pcs and a server. All the windows based systems use outlook 2010 and the server has 2010 too.
I have an issue that when using any device not including server that emails show up unread / read on all ok but
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Hi,
Would you please let me know the detailed steps to download and delete the old emails on Server? If you disable this function, would emails be auto-read?
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Outlook 2010, 2013 on new 2010 exchange server get windows security popup for password

We recently migrated exchange 2003 on 2003 server to Server 2008R2 and Exchange 2010 SP3. The installation had multiple problems and we resorted to Microsoft technical support for the server resolution. On the server level it seems to function
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Outlook test, turn off discovery, remove all credentials do not help. Outlook anywhere turned off. So far nothing seems to help.
Does anybody have a solution to my dilemma?

Hi,
Please check the problematic users' Outlook settings by the following steps:
1. Click File > Account Settings > Account Settings > Change > More settings.
2. In Security tab, make sure "Encrypt data between Microsoft Outlook and Microsoft Exchange" option is checked, "Always prompt for logon credentials" is unchecked.
3. Change the logon network security to Negotiate Authentication, and Apply > OK to set it.
Restart Outlook to have a try. If the issue persists, please
re-create Outlook profile to check whether the issue persists.
Regards,
Winnie Liang
TechNet Community Support
Thank you for the response.
I did as you suggested and the problem persists

Outlook 2010 stops receving new emails when in cached mode

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