Help and Support

You may receive an error message when you try to attach a large file to an e-mail message in Outlook Web Access in Exchange Server 2007

View products that this article applies to.
Article ID:925827
Last Review:March 14, 2008
Revision:7.0

SYMPTOMS

In Microsoft Exchange Server 2007, when you try to attach a large file to an e-mail message in Microsoft Office Outlook Web Access, you may receive one of the following error messages.

Error message 1
The files: File_name.xxx were not attached because they exceed the maximum size limitation SizeLimitation MB for attachments.
Error message 2
The attachment you are trying to upload exceeds the maximum size limit for attachments allowed by your organization.

Back to the top

CAUSE

This problem occurs if any of the following conditions is true:
•You did not modify the MaxRequestLength attribute in the Web.config file on the Outlook Web Access server.
•You did not modify the MaxSendSize attribute in the mailbox schema.
• You did not modify the MaxSendSize attribute in the "Transport Settings" container. AD attribute name = submissionContLength.
• You did not modify the MaxSendSize attribute in the "Message Delivery" container. AD attribute name = submissionContLength.
• You did not modify the MaxSendSize attribute of the user. AD attribute name = submissionContLength.
The default size limit of 5 MB is applied (The default size limitation occurs because of the mailbox schema) when no other limitation is set.

Note Regardless of the error message that you receive, you must modify at least two attributes, one in Web.Config and at least one of the remaining four attributes, to resolve the issue for Outlook Web Access clients.

Back to the top

RESOLUTION

To resolve this problem, visit the following Microsoft Web site:
How to Manage Maximum Message Size in Outlook Web Access

http://go.microsoft.com/fwlink/?LinkId=101743 (http://go.microsoft.com/fwlink/?LinkId=101743)

Back to the top

APPLIES TO
•Microsoft Exchange Server 2007 Standard Edition
•Microsoft Exchange Server 2007 Enterprise Edition

Back to the top

Keywords: 
kbtshoot kbexpertiseinter KB925827

Back to the top

Article Translations

 

Related Support Centers

Other Support Options

  • Need More Help?
    Contact a Support professional by Email, Online or Phone.
  • Customer Service
    For non-technical assistance with product purchases, subscriptions, online services, events, training courses, corporate sales, piracy issues, and more.
  • Newsgroups
    Pose a question to other users. Discussion groups and Forums about specific Microsoft products, technologies, and services.