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Office 2007 attachments corrupt in Webmail recipient

Posted on 2010-08-30
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Last Modified: 2012-05-10
Hello all! I am emailing an address from an Exchange 2003 mail server to an Exchange 2003 mail server. The user has no issues in regular Outlook client. But when accessing the attachment via their OWA client it can come out corrupt. This is not 100% of the time though. This user does not have this issue with any other networks emailing her files. It is only Office files of 2007 format. Has anyone seen this happen before? Thanks!
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Question by:mrosier
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by:sunnyc7
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On your exchange server

start > run > regedit

Navigate to this
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeWeb\OWA

Check these 2 keys
 Level1FileTypes
 Level2FileTypes

double click on the key
Copy the value to a notepad

See if the attachment you are having issues with is listed there.
If so, delete the attachment from notepad, and copy the value back in that key.

Please post back if this works.
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Author Comment

by:mrosier
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Thanks for the response! But the file types do not exist in either of these keys.
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by:sunnyc7
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What file types are corrupted.
Can you post a screenshot of the error please.

thanks
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Author Comment

by:mrosier
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Just .docx and .pptx. The files themselves are fine testing sending to others and working with them before sending. Also the receivers Outlook is good with the files. Something about retrieving them from webmail on her side and it is corrupt. I have requested screenshots and will post them here as I get them. Thanks!!
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by:sunnyc7
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No need.
I may know what the problem is.
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by:sunnyc7
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check the solution given here

http://social.technet.microsoft.com/Forums/en-US/exchangesvrgeneral/thread/9f09bd87-482e-422b-b0f9-f6a02dd121a6

You need to add these entries in MIME TYPEs
.docx application/msword
.xlsx application/ms-excel
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Author Comment

by:mrosier
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ok what about .pptx mime types? I did add mime types already to Exchange (not IIS) according to this article: http://support.microsoft.com/kb/952770 but the problem still occurs. But I will do IIS also. what about pptx mime for that portion?
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by:sunnyc7
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Actually the mime-types from that article is how I have my 2003 setup too.

.PPTX application/vnd.openxmlformats-officedocument.presentationml.presentation
.XLSX application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.DOCX application/vnd.openxmlformats-officedocument.wordprocessingml.document
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Author Comment

by:mrosier
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so just plant those into my IIS manager as well for the server?
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by:sunnyc7
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yep
Start > run > inetmgr
Right click on server name
MIME TYPES

Robert Plant it.
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Author Comment

by:mrosier
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Ok, Robert Planted. So now I have those entries from that article I sent you inputted in that location, and I have the entries you posted above in IIS accordingly. Should I restart any services and try again?
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by:sunnyc7
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yes
Lets give that a short
restart all Exchange services.
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by:mrosier
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well to make life easiest, I am going to just restart the whole server this evening since I need to anyway. I will post tomorrow morning to let you know if things are better. BTW, just to be sure you understand, we are sending these mails using Outlook clients, not webmail. The issue is the recipient receiving them in webmail. We are not touching our own webmail in this situation. Thanks!
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by:sunnyc7
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Lets give that a *shot*
Not short.
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Author Comment

by:mrosier
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ok will do, To be continued..... tomorrow that is ;) Thanks a bunch!!
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sunnyc7 earned 100 total points
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A-Ha !!
If the recipient is accessing your OWA - then the above steps should fix it.

If they are on a different exchange server, they need to robert plant it then - not you.

The Recipient's OWA should have these.
.PPTX application/vnd.openxmlformats-officedocument.presentationml.presentation
.XLSX application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.DOCX application/vnd.openxmlformats-officedocument.wordprocessingml.document

and their IIS Mime Types have to be configured accordingly.
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Author Comment

by:mrosier
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Actually they are an entire different network on a different server. My network is emailing their network (Exchange 2003 server in my network to a 2003 in their network). We send from Outlook full and she is receiving in webmail on their server is the issue. Should I point this out to them for OWA?
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Assisted Solution

by:sunnyc7
sunnyc7 earned 100 total points
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yep.
You can take a print out and send them this.
they have to configure their IIS accordingly and restart exchange and IIS admin service.
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Author Comment

by:mrosier
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Ok great, I will probably once again touch base tomorrow to give their support team a chance to do this if they have not. I will post again here tomorrow. Thanks Sunny!!!
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Expert Comment

by:sunnyc7
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Sure.
Take care
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Author Comment

by:mrosier
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Hey Sunny! I am not getting any help with testing attachments from the people who are complaining about this issue. They have not said anything yet beyond the fixes I tried with your support, but I don't know if it is fixed or not because of the lack of help. I want to award the points, but what do I do if it pops up again?
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Expert Comment

by:sunnyc7
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You can keep this open for 21 day
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Author Closing Comment

by:mrosier
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without more help testing from my complaining coworkers, I can still fairly certainly assume this settled things. Thanks!
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by:sunnyc7
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Thanks for the points :)
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Author Comment

by:mrosier
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you deserve them! I just went ahead and figured things are fine, and if they are not, I  bet your solution is good for most of those who would have this trouble anyway ;)! Thanks for the effort on this trouble for me!!
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by:sunnyc7
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thanks for the kind words :)
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