I have 2 computers and 3 email accounts (one POP3 and two IMAP).
My desktop is running Outlook 2003 and is fine
My laptop is running Outlook 2007. I cannot access my IMAP accounts on the
laptop, though I can send messages fine.

When I click on the inbox I get a message saying: "The messaging interface
has returned an unknown error. If the problem persists restart outlook", and
a second pop up saying "Failed to update headers".

If I click on the + sign alongside inbox to see the other folders I get a
message saing "cannot expand the folder"

I have tried deleting the relevant accounts and then recreating them - and
everything seems to be fine until i close outlook. When I restart it I get
the same problem.

I have no problems with my POP3 account nor any with the calendar, BCM or
any other aspect of Outlook - it is just the inability to obtain new or view
previously received messages

"JMGreen" <(E-Mail Removed)> wrote in message
news:EF3390A7-1386-4665-96DE-(E-Mail Removed)...

>I have 2 computers and 3 email accounts (one POP3 and two IMAP).
> My desktop is running Outlook 2003 and is fine
> My laptop is running Outlook 2007. I cannot access my IMAP accounts on the
> laptop, though I can send messages fine.
>
> When I click on the inbox I get a message saying: "The messaging interface
> has returned an unknown error. If the problem persists restart outlook", and
> a second pop up saying "Failed to update headers".
>
> If I click on the + sign alongside inbox to see the other folders I get a
> message saing "cannot expand the folder"

Verify with the mail provider that you are using the correct account settings
(server names and ports, encryption, and root folder path).
--
Brian Tillman [MVP-Outlook]

I have double checked settings
They are also the same as oin my desktop where i have no problems at all.
And when recreating accounts in 2007 it works fine until I close outlook - so
the settings are correct.

"Brian Tillman [MVP - Outlook]" wrote:

> "JMGreen" <(E-Mail Removed)> wrote in message
> news:EF3390A7-1386-4665-96DE-(E-Mail Removed)...
>
> >I have 2 computers and 3 email accounts (one POP3 and two IMAP).
> > My desktop is running Outlook 2003 and is fine
> > My laptop is running Outlook 2007. I cannot access my IMAP accounts on the
> > laptop, though I can send messages fine.
> >
> > When I click on the inbox I get a message saying: "The messaging interface
> > has returned an unknown error. If the problem persists restart outlook", and
> > a second pop up saying "Failed to update headers".
> >
> > If I click on the + sign alongside inbox to see the other folders I get a
> > message saing "cannot expand the folder"
>
> Verify with the mail provider that you are using the correct account settings
> (server names and ports, encryption, and root folder path).
> --
> Brian Tillman [MVP-Outlook]
>
>

"JMGreen" <(E-Mail Removed)> wrote in message
news:19870EDF-5A94-4CB1-A0C4-(E-Mail Removed)...

>I have double checked settings
> They are also the same as oin my desktop where i have no problems at all.
> And when recreating accounts in 2007 it works fine until I close outlook -
> so
> the settings are correct.

Does it operate OK again after a reboot? When you close Outlook, use the Task
Manager to make sure it closes completely by looking for OUTLOOK.EXE on the
Processes tab. You shouldn't see it.
--
Brian Tillman [MVP-Outlook]

No, rebooting in the way you describe does not make a difference. It only
works for a period after recreating the actual account in Outlook.
Thanks

"Brian Tillman [MVP - Outlook]" wrote:

> "JMGreen" <(E-Mail Removed)> wrote in message
> news:19870EDF-5A94-4CB1-A0C4-(E-Mail Removed)...
>
> >I have double checked settings
> > They are also the same as oin my desktop where i have no problems at all.
> > And when recreating accounts in 2007 it works fine until I close outlook -
> > so
> > the settings are correct.
>
> Does it operate OK again after a reboot? When you close Outlook, use the Task
> Manager to make sure it closes completely by looking for OUTLOOK.EXE on the
> Processes tab. You shouldn't see it.
> --
> Brian Tillman [MVP-Outlook]
>
>