I have set all size limits in Exchange to 100mb. I attempted to use OWA (exchange 2007 on SBS08) to send a file size 39.1mb and got "404 error - file or directory not found" while uploading the file to the message from the desktop. I was able to upload 3 different files all sized over 10mb, total size was about 35mb, and that sent fine. How or what do I need to adjust to be able to upload a single file that large? Is is a timeout issue? Any help is greaty appreciated as I am at a loss after days of forum searching to solve the issue. Thank you in advance!

Please check this http://technet.microsoft.com/en-us/library/aa996835(EXCHG.80).aspx setting maxRequestLength should resolve the problemWith kind regards Krystian Zieja http://www.projectnenvision.com Follow me on twitter My Blog

Thank you for your help! I have configured the maxRequestLength in web.config file in C:\Program Files\Microsoft\Exchange Server\ClientAccess\Owa to: <system.web> <httpRuntime maxRequestLength="102400" /> <authentication mode="Windows" /> <sessionState mode="Off"/> L. Brown

Also, on that note: When I try the final step 2 I get a sytax error. 2.Type the following command: appcmd set config "Default Web Site/owa" -section:requestFiltering -requestLimits.maxAllowedContentLength:<Content_Length_In_Bytes>L. Brown

Hi, Does the issue occur on certain user mailbox or each mailbox? Before running the command, please assure that the account you use must be delegated the following: Membership in the local Administrators group. Then, please launch Command Prompt and type the following commands: cd %windir%\system32\inetsrv appcmd set config "Default Web Site/owa" -section:requestFiltering -requestLimits.maxAllowedContentLength:<Content_Length_In_Bytes> For example: appcmd set config "Default Web Site/owa" -section:requestFiltering -requestLimits.maxAllowedContentLength:102400 Note: Please launch Command Prompt instead of EMS. Thanks. NovakPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Thank you all for your suggestions and help. Along with some tech support from Dell we have resolved the issue. The appcmd was not working, and something that Dell TS did, made it work. Thank you again!L. Brown