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MS Office Forum / Outlook / Calendaring / March 2008

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Outlook 2007 shared calendar messaging interface error

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Trumpeter - 14 Feb 2007 21:30 GMT
I am running Outlook 2007 in an exchange 2003 environment. For 2 of the
shared calendars I access, most times I try to display them, I get an error
that says "The messaging interface has returned an unknown error. If the
problem persists, restart outlook." It doesn't fail 100% of the time, but it
does usually fail. I have access to 5 other calendars that work fine. I
double-checked the permissions on the 2 that work, and I have author-level
permissions. The affected calendars display properly for other users in the
office who are running outlook 2003.

I've seen the error on the knowledge base with regards to printing a shared
calendar, but not for simply displaying them, as I am trying to do. Anybody
have any insights?
Trumpeter - 27 Feb 2007 15:41 GMT
Anybody have any thoughts?

> I am running Outlook 2007 in an exchange 2003 environment. For 2 of the
> shared calendars I access, most times I try to display them, I get an error
[quoted text clipped - 8 lines]
> calendar, but not for simply displaying them, as I am trying to do. Anybody
> have any insights?
Butterpecan - 22 Mar 2007 22:06 GMT
I have a same proble Trumpeter has.  I have Outlook 2007 in an exchange 2003,
too.  Generally, outlook works well, but sometimes that message just pops up
and bother me.  After restart, it works ok which make me crazy again.  I
checked the permissions as Trumpeter did, but it didn't help me.
Do you guys think it is kind of bugs of new software or just Trumpeter and I
have a unique problem?
If you guys know about this bad situation, please let me know

> Anybody have any thoughts?
>
[quoted text clipped - 10 lines]
> > calendar, but not for simply displaying them, as I am trying to do. Anybody
> > have any insights?
saidweintraub@gmail.com - 23 Mar 2007 16:05 GMT
My company is having this same issue.  We recently upgraded all users
from Office 2003 to 2007.

This first started with just two computers but little by little more
users are experiencing the problem.

When someone clicks on a shared calendar they get an error saying "The
Messaging interface returned an unknow error, if the problem persists
restart outlook"
After restarting outlook it goes away but only for a little while.

We have tried to repair and also reinstall office 2007 on the machine
to no avail.  All permissions are OK.  Not sure if this is an exchange
problem or an outlook issue.
stef@pelsmid.dk - 28 Mar 2007 10:50 GMT
Just wanted to join the chorus, am experiencing the exact same
problem. Outlook 2007 vs. Exchange 2003 - shared calendars randomly
give me an:

"The Messaging interface returned an unknow error, if the problem
persists
restart outlook"

Have anyone found a solution?

Stefan Nielsen
SunKing - 08 May 2007 21:03 GMT
I am having the same problem.  It is random as to whose calendar I will
receive this same error when I click on it.  I have people using Outlook 2003
and 2007 and this error is not prejudiced.  Close/re-open of Outlook does not
resolve.  If I close Outlook and go into Task Manager, I see Outlook.exe
running and I select End Task. Upon re-opening Outlook it then works
appropriately.

I have also posted another thread specific to shared calendars not always
saving upon close/re-open of Outlook.  Sometimes they are all there,
sometimes they are not, and sometimes just some of them show.  I'll bet this
has something to do with this as well.

> I am running Outlook 2007 in an exchange 2003 environment. For 2 of the
> shared calendars I access, most times I try to display them, I get an error
[quoted text clipped - 8 lines]
> calendar, but not for simply displaying them, as I am trying to do. Anybody
> have any insights?
SunKing - 09 May 2007 17:31 GMT
I have reproduced this problem (where all shared calendars exhibit this
behavior) by having Outlook open and then hibernating my laptop and then
opening it back up.  It seems that a temporary drop in communication with
Outlook Client vs. Exchange Server results in a loss of connection and thus
results in this error.  As mentioned before, I have to completely kill
Outlook and re-open it to re-establish the connection and resolve.  

Along these same lines, I would think that perhaps other kinds of
"disconnections" between the Outlook Client and the Exchange Server may very
well result in the varied behavior where clicking on some users provides this
erorr and others don't (perhaps if the affacted user of the shared calendar
loses his/her connection?).  

It seems to me that this is a bug, whereby if the Outlook Client loses its
connection with the Exchange Server, upon reconnecting it should re-establish
the connection with the shared calendars (as opposed to returning an error
and forcing a complete shut-down/restart of the Outlook Client).

I would be curious to hear others thoughts on this as well and if they can
also see that disconnections cause this error.

> I am having the same problem.  It is random as to whose calendar I will
> receive this same error when I click on it.  I have people using Outlook 2003
[quoted text clipped - 20 lines]
> > calendar, but not for simply displaying them, as I am trying to do. Anybody
> > have any insights?
Lenglo - 04 Jul 2007 18:33 GMT
Hello,

Got the same problem with Outlook 2007 on winXPsp2 PCs.   After
reading Sunking post,  I have set the hibernate parameter to 2 hours
and POUF!   the problem goes away.

Microsoft should read this post and release a hotfix.
Milly Staples [MVP - Outlook] - 04 Jul 2007 21:24 GMT
Yeah, the scads of information you have in your post is a roadmap for a hotfix... sigh

Signature

Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact.  All
unsolicited mail sent to my personal account will be deleted without
reading.  

After furious head scratching, Lenglo asked:

| Hello,
|
[quoted text clipped - 3 lines]
|
| Microsoft should read this post and release a hotfix.
SunKing - 06 Jul 2007 18:10 GMT
Hi Lenglo - Can you please elaborate on the location of the hibernate
parameter for me?  I am unfamiliar with that config, but I certainly would
like to try this out myself.

Thread Note: This continues to happen even without hibernating in a random
fashion for me (sometimes certain shared calendars do this and others don't),
but for sure every time I hibernate it does.

Thanks in advance! -SunKing

> Hello,
>
[quoted text clipped - 3 lines]
>
> Microsoft should read this post and release a hotfix.
Lenglo - 06 Jul 2007 20:20 GMT
> Hi Lenglo - Can you please elaborate on the location of thehibernate
> parameter for me?  I am unfamiliar with that config, but I certainly would
[quoted text clipped - 5 lines]
>
> Thanks in advance! -SunKing

Look under screensaver properties.  As you wrote,  it continues to
happen to on of our users too but in very rare circomstances.
SunKing - 06 Jul 2007 22:10 GMT
Thanks.  I think we are talking about 2 different things, though.  When I was
speaking of "hibernating" I was meaning Start\Shut Down\"What do you want the
computer to do?" and select "Hibernate" and "OK".

From your latest response, I think you are saying that the screen saver
activates; or possibly you have a way to actually hibernate your machine
through that interface? I could imagine that would be possible - I just don't
have that option as far as I can see.

> > Hi Lenglo - Can you please elaborate on the location of thehibernate
> > parameter for me?  I am unfamiliar with that config, but I certainly would
[quoted text clipped - 8 lines]
> Look under screensaver properties.  As you wrote,  it continues to
> happen to on of our users too but in very rare circomstances.
Brian Tillman - 09 Jul 2007 13:39 GMT
> Hi Lenglo - Can you please elaborate on the location of the hibernate
> parameter for me?

Depends on your version of Windows.  For Windows XP, look in Control
Panel>Performance and Maintenance>Power Options.
Signature

Brian Tillman

SunKing - 09 Jul 2007 14:26 GMT
Thanks, Brian.  I see it now.

I think this confirms my suspicions that this appeared to be happening
randomly for Lenglo as his machine was set to hibernate after X amount of
time.  The fact is, I have mine set to NOT auto-hibernate at all.  When I see
the problem is when I purposely hibernate my PC to un-dock it (i.e. if I am
going to a meeting so I can quickly bring it back up).  Shut Down/Restart is
not an option for me as that whole process typically takes 20 minutes :(

> > Hi Lenglo - Can you please elaborate on the location of the hibernate
> > parameter for me?
>
> Depends on your version of Windows.  For Windows XP, look in Control
> Panel>Performance and Maintenance>Power Options.
davisr65 - 05 Sep 2007 21:38 GMT
I too have just upgraded from Outlook 2003 to 2007, and all of our
secretaries are complaining of the same issue when accessing shared
calendars....

Thanks...

Rob Davis

> I am running Outlook 2007 in an exchange 2003 environment. For 2 of the
> shared calendars I access, most times I try to display them, I get an error
[quoted text clipped - 8 lines]
> calendar, but not for simply displaying them, as I am trying to do. Anybody
> have any insights?
SunKing - 05 Sep 2007 22:04 GMT
Yes, I continue to see this problem too.  While hibernating a PC certainly
almost always "breaks" this connection, it continues to happen randomly even
when I do not hibernate the PC.

> I too have just upgraded from Outlook 2003 to 2007, and all of our
> secretaries are complaining of the same issue when accessing shared
[quoted text clipped - 16 lines]
> > calendar, but not for simply displaying them, as I am trying to do. Anybody
> > have any insights?
Lenglo - 09 Oct 2007 13:57 GMT
Try to install this fix
http://support.microsoft.com/kb/939596/en-us

It fix a lot of "unknown" issues for us
SunKing - 09 Oct 2007 17:36 GMT
It's not Generally available for download.  I guess they are going to roll it
into a future SP.  You can contact them and ask for it, but I don't know
where to begin doing that and if I would have to pay for it.

> Try to install this fix
> http://support.microsoft.com/kb/939596/en-us
>
> It fix a lot of "unknown" issues for us
Lenglo - 09 Oct 2007 20:46 GMT
> It's not Generally available for download.  I guess they are going to roll it
> into a future SP.  You can contact them and ask for it, but I don't know
[quoted text clipped - 6 lines]
>
> - Afficher le texte des messages pr?c?dents -

You don't have to pay for that!

Use this link:
https://support.microsoft.com/contactus2/emailcontact.aspx?scid=sw;en;1410&WS=hotfix
SunKing - 09 Oct 2007 22:35 GMT
OK, thanks!!

> > It's not Generally available for download.  I guess they are going to roll it
> > into a future SP.  You can contact them and ask for it, but I don't know
[quoted text clipped - 11 lines]
> Use this link:
> https://support.microsoft.com/contactus2/emailcontact.aspx?scid=sw;en;1410&WS=hotfix
Lenglo - 11 Oct 2007 21:19 GMT
> OK, thanks!!
>
[quoted text clipped - 15 lines]
>
> - Afficher le texte des messages pr?c?dents -

Did you get the fix?   Let me know if it fix your issue

thanks
SunKing - 11 Oct 2007 21:39 GMT
I just got it today.  I have installed it.  Unfortunately I will just have to
watch it over a period of time to see if it will resolve (as this is somewhat
of a random issue).  I will post any updates I have here.

> > OK, thanks!!
> >
[quoted text clipped - 19 lines]
>
> thanks
SunKing - 15 Oct 2007 17:49 GMT
Nope!  Sorry to say, it does not resolve the issue.  I had an instance today
where I opened my calendar and received the same error.  I consulted with my
employee whose calendar now will not open and she says that she did not
disconnect or do anything out of the ordinary.  I will say that I know I
viewed her calendar earlier in the day sucessfully.  Furthermore, I will note
that I had Hibernated my laptop over the weekend and docked it this AM.  At
some point things were moving slowly, so I rebooted it.  I do not know if I
viewed her calendar pre or post reboot.  Nevertheless, all other calendars
are in full view and are not seeing this issue.

> I just got it today.  I have installed it.  Unfortunately I will just have to
> watch it over a period of time to see if it will resolve (as this is somewhat
[quoted text clipped - 23 lines]
> >
> > thanks
hl2 - 29 Nov 2007 13:41 GMT
Our company also have Exchange 2003 with Outlook 2007 clients (we've
deployed Office 2007 to about 500 clients). A lot of people experience
this error. E.g. clicking a shared calendar will display "The
messaging interface has returned an unknown error."

Also, "View group schedules" have an error. If you add some persons
(e.g. 40-50) and try displaying their calendars, it will not update
all information on all persons. Sometimes all you can see is the free/
busy information, even though you are allowed to read the content of
their schedule.

It seem to me that Outlook 2007 have a bug when it comes to connecting
to Exchange 2003 servers, and I would have no problem showing this
problem as it happens like every day.

The problem is not related to Laptops and/or power save. I have this
problem at several workstations with no power-savings.  Also, the
problem is present at both Vista and XP SP2. We have no problems on
our Outlook 2003 clients.
SunKing - 29 Nov 2007 14:16 GMT
I also encountered the issue again yesterday - no laptop hibernation or
anything.  In the morning the calendar of the employee showed fine.  Later in
the afternoon I could not view it anymore and received the error.  This is
still broken.

> Our company also have Exchange 2003 with Outlook 2007 clients (we've
> deployed Office 2007 to about 500 clients). A lot of people experience
[quoted text clipped - 15 lines]
> problem is present at both Vista and XP SP2. We have no problems on
> our Outlook 2003 clients.
hl2 - 11 Dec 2007 08:12 GMT
I've ran Sysinternals Procmon and ran a trace on the error. Here's
some interesting:
OUTLOOK.EXE:
RegOpenKey,"HKLM\SYSTEM\CurrentControlSet\Services\Tcpip
\Linkage","REPARSE","Desired Access: Read"
RegQueryValue, HKLM\System\CurrentControlSet\Services\Tcpip\Linkage
\Bind, "BUFFER OVERFLOW","Length: 144"
"RegQueryValue","HKLM\System\CurrentControlSet\Services\Tcpip\Linkage
\Bind","SUCCESS","Type: REG_MULTI_SZ, Length: 472, Data: \Device
\{55AC9BC4-D6C4-4BA4-9EBD-40BAE06D4F1E}, \Device\{4B189DB0-0F51-4C58-
B074-4625520333F5}, \Device\{B3C9FDED-3D84-40A6-9F85-E3050E11A4D0},
\Device\{5C7857BA-45F2-4E93-87B6-17C7452777A6}, \Device\
{BFEF283F-5816-41CA-81D2-9F6D047847B5}"
Then it just overflows again when connecting to Tcpip\Linkage\Bind.

If any Microsoft programmer is interested in the full process capture,
just get in touch in me at hlohn2e00@gma2il.com   (remove 2 from
email)

> I also encountered the issue again yesterday - no laptop hibernation or
> anything.  In the morning the calendar of the employee showed fine.  Later in
[quoted text clipped - 20 lines]
> > problem is present at both Vista and XP SP2. We have no problems on
> > ourOutlook2003 clients.
hl2 - 13 Dec 2007 08:13 GMT
The problem is also present in Outlook 2007 SP1.

After running Outlook over 24hours and tried to open a shared
calendar, I get the following error:  "Cannot display the folder. The
information store could not be opened."
Tony Holland - 16 Jan 2008 13:46 GMT
I called into microsoft and opened a ticket about this problem for my company
here is the response.

Problem - Getting error message while opening shared Calendar.
Environment – Outlook: 2007, Operating system: XP SP2, 100 computers in
organization, 100 computers affected.
Resolution – We Could not provide the resolution as this is a known bug in
Outlook 2007. Hence we are refunding you the amount charged for this ticket.
Thank you for choosing Microsoft.

> I am running Outlook 2007 in an exchange 2003 environment. For 2 of the
> shared calendars I access, most times I try to display them, I get an error
[quoted text clipped - 8 lines]
> calendar, but not for simply displaying them, as I am trying to do. Anybody
> have any insights?
billmlod@paulbunyan.net - 17 Jan 2008 14:56 GMT
On Jan 16, 7:46 am, Tony Holland
<TonyHoll...@discussions.microsoft.com> wrote:
> I called into microsoft and opened a ticket about this problem for my company
> here is the response.
[quoted text clipped - 19 lines]
>
> - Show quoted text -

So am I to understand that the problem goes away if using Exchange
2007 server (we are currently using 2003 and have the same problem
with some users that view multiple calendars). We are going to update
to Exchange 2007 in the very near future and hope that will clear the
problem.

Thanks all for the good information,
Bill M
Tony Holland - 29 Jan 2008 14:35 GMT
Nope we are running Exchange 2007 and stilll have this problem.  I thought
the same as you and upgraded to 2007 hoping this problem would go away it has
not.  Microsoft supposedly is going to be releasing a hotfix in Feb. to fix
this.

Tony

> On Jan 16, 7:46 am, Tony Holland
> <TonyHoll...@discussions.microsoft.com> wrote:
[quoted text clipped - 30 lines]
> Thanks all for the good information,
> Bill M
targetUT - 04 Mar 2008 21:27 GMT
Any update on this as I am also having issues excact to this..
outlook 2007 with exchange 2003
t3chvest@gmail.com - 05 Mar 2008 14:39 GMT
Indeed, this thread has been helpful, though an actual fix from MS
would certainly be nice.  If anyone knows of the status of this
problem, please share.

Steve

> Any update on this as I am also having issues excact to this..outlook2007with exchange 2003
Cis - 06 Mar 2008 19:15 GMT
On Mar 5, 3:39 pm, t3chv...@gmail.com wrote:
> Indeed, this thread has been helpful, though an actual fix from MS
> would certainly be nice.  If anyone knows of the status of this
[quoted text clipped - 3 lines]
>
> > Any update on this as I am also having issues excact to this..outlook2007with exchange 2003

There's a non-public hotfix available! I found this link while
searching for the solution:
http://www.itexperience.net/2008/03/02/the-messaging-interface-has-returned-an-u
nknown-error-if-the-problem-persists-restart-outlook-in-outlook-2007/


It also fixes some other problems, like the Windows Desktop
notification window popping up, even if you chose not to display it
again.

Regards,

Cis
Cis - 08 Mar 2008 12:14 GMT
There is now a hotfix available for this problem. Please check

http://www.itexperience.net/2008/03/02/the-messaging-interfa
ce-has-returned-an-unknown-error-if-the-problem-persists-res
tart-outlook-in-outlook-2007/

for more information and the link to the hotfix!

url:http://ureader.com/msg/107210039.aspx

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