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Cannot solve Outlook error: "The messaging interface has returned an unknown error. If the problem persist, restart Outlook."



 
 
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  #1  
Old April 22nd, 2005, 06:27 PM
austinpctech
external usenet poster
 
Posts: n/a
Default Cannot solve Outlook error: "The messaging interface has returned an unknown error. If the problem persist, restart Outlook."

I am having problems performing several task in Outlook. Emails are sending
but remain in the outbox and resend again and again. When I try to delete
emails from the outbox, I get the following error: "The messaging interface
has returned an unknown error. If the problem persist, restart Outlook." I
found a KB article that refers to installing an update to solve this
problem. When installing the update found at
http://support.microsoft.com/kb/300551/EN-US/, it ends with a failure error.
I have also gone to the Office Update site and downloaded and installed all
updates without any errors. Still the problem persist. I then tried Detect
and Repair. I tried to re-install Office. I uninstalled and re-installed
Office. Still the problem persist. I tried creating a new PST file
thinking the other might be corrupted, still the problem persist.

Does anyone know how to solve this error in Outlook 2002? "The messaging
interface has returned an unknown error. If the problem persist, restart
Outlook."

Thanks!


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  #2  
Old April 22nd, 2005, 09:39 PM
GabbyG
external usenet poster
 
Posts: n/a
Default

I am having exactly the same results , I have performed system restore to
several points as well hoping for a solution but to no result. have you
solved this since?
Gabby G

"austinpctech" wrote:

I am having problems performing several task in Outlook. Emails are sending
but remain in the outbox and resend again and again. When I try to delete
emails from the outbox, I get the following error: "The messaging interface
has returned an unknown error. If the problem persist, restart Outlook." I
found a KB article that refers to installing an update to solve this
problem. When installing the update found at
http://support.microsoft.com/kb/300551/EN-US/, it ends with a failure error.
I have also gone to the Office Update site and downloaded and installed all
updates without any errors. Still the problem persist. I then tried Detect
and Repair. I tried to re-install Office. I uninstalled and re-installed
Office. Still the problem persist. I tried creating a new PST file
thinking the other might be corrupted, still the problem persist.

Does anyone know how to solve this error in Outlook 2002? "The messaging
interface has returned an unknown error. If the problem persist, restart
Outlook."

Thanks!



  #3  
Old April 22nd, 2005, 11:29 PM
austinpctech
external usenet poster
 
Posts: n/a
Default

"GabbyG" wrote in message
...
I am having exactly the same results , I have performed system restore to
several points as well hoping for a solution but to no result. have you
solved this since?
Gabby G

Matter of fact I have. In my case, the problem was that the update I
mentioned had not been installed prior to this problem occurring which
occurred after exceeding a PST file over 1.8gb in size. To cure the problem
I did the following: I went to the folder that outlook.pst was located in
under Documents and Settings. Renamed outlook.pst to old.pst. Open up
Outlook and it will give you an error indicating that outlook.pst is missing
and then gives you a chance to create a new one. I then closed Outlook and
installed the update found at
http://office.microsoft.com/downloads/2002/olk1004.aspx. Don't be concerned
if after starting the update, it sits there doing nothing for about 20 or 30
seconds as it did in my case. Wait until you get a confirmation that the
update processed normally. Once finished there, I then opened Outlook again
and went to Import & Export, chose Import from another program or file, hit
next, then chose Personal Folders (.pst), hit next and then told it to
import my Inbox. After it imported my Inbox, I then repeated the process
and imported my Contacts. Continue repeating the process until everything
was imported except for my Deleted Items and Sent Items. The Deleted Items
I didn't care about but I then opened up my Archive.pst file and imported my
Sent Items into it so that I had them to refer to later. It is a good idea
that you use the Auto Archive process so that your PST file gets so large.
I have mine set to Auto Archive every 30 days on everything that is 6 months
old or older.


  #4  
Old April 23rd, 2005, 08:57 PM
Budgie
external usenet poster
 
Posts: n/a
Default

austinpctech
I am experiencing the same symptons and have reinstalled/patched etc and the
symptoms remain. My pst file size is 1820046k so I will try what you suggest
and report back.
Budgie

"austinpctech" wrote:

"GabbyG" wrote in message
...
I am having exactly the same results , I have performed system restore to
several points as well hoping for a solution but to no result. have you
solved this since?
Gabby G

Matter of fact I have. In my case, the problem was that the update I
mentioned had not been installed prior to this problem occurring which
occurred after exceeding a PST file over 1.8gb in size. To cure the problem
I did the following: I went to the folder that outlook.pst was located in
under Documents and Settings. Renamed outlook.pst to old.pst. Open up
Outlook and it will give you an error indicating that outlook.pst is missing
and then gives you a chance to create a new one. I then closed Outlook and
installed the update found at
http://office.microsoft.com/downloads/2002/olk1004.aspx. Don't be concerned
if after starting the update, it sits there doing nothing for about 20 or 30
seconds as it did in my case. Wait until you get a confirmation that the
update processed normally. Once finished there, I then opened Outlook again
and went to Import & Export, chose Import from another program or file, hit
next, then chose Personal Folders (.pst), hit next and then told it to
import my Inbox. After it imported my Inbox, I then repeated the process
and imported my Contacts. Continue repeating the process until everything
was imported except for my Deleted Items and Sent Items. The Deleted Items
I didn't care about but I then opened up my Archive.pst file and imported my
Sent Items into it so that I had them to refer to later. It is a good idea
that you use the Auto Archive process so that your PST file gets so large.
I have mine set to Auto Archive every 30 days on everything that is 6 months
old or older.



  #5  
Old February 21st, 2011, 10:47 AM
bipsa bipsa is offline
Member
 
First recorded activity by OfficeFrustration: Feb 2011
Posts: 1
Default

"The messaging interface has returned an unknown error. If the problem persist, restart Outlook." it is one of the most common error received by outlook users and this usually states of corruption issue with the concerned file, but in cases other than, oversized pst file may also gives rise to the issue. This is since you are not only unable to add files to it, but the files could not even be deleted. First try and scan the pst with scanpst.exe, if it does not help try using pst splitter tool.
 




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