We're running Ex2007 Standard (RTM) and mail flow has been working well. However, the Ex2007 mailboxes cannot receive mail messages greater than 10MB in size. One catch is that our Ex2007 server is co-existing with a Ex2000 server. All incoming mail still go through the 2000 server. I did find the message limit of the Ex2000 server to be 10MB, so I increased it to 20MB. And the default mail message limit on the Ex2007 server is "unlimited". However, we still have the same problem after the change. Is it possible the change is taking a while to propagate through AD? It's been about 2 hrs now (we have a small office).
Henrik, Thank you for the suggestion. However, the changes I've made have not resolved the issue. I found two receive connectors, and set the MaxMessageSize on both to 20MB: set-receiveconnector "default server" -MaxMessageSize 20MB set-receiveconnector "client server" -MaxMessageSize 20MB
I sent out another test email with 11MB attachment, and I'm seeing an NDR in the Ex2000 Message Tracker: 1/22/2007 8:48am SMTP: Message Submitted to Advanced Queuing 1/22/2007 8:48am SMTP: Started Message Submission to Advanced Queue 1/22/2007 8:48am SMTP: Message Submitted to Categorizer 1/22/2007 8:48am SMTP: Non-Delivered Report (NDR) Generated
I see nothing about this email in the Ex2007 message tracker.
How can I tell if my set-receiveconnector cmdlet's took effect? Any additional suggestions to get this working?
I was participating in a similar thread here about Exchange 2007 and I found an answer for myself, and thought this might help. I decided to change the Mailbox limits from "unlimited" to an actual limit and see if that made a difference, and it did. In the Exchange Management Console (the GUI tool) I went to the Recipient COnfiguration area and then to the Mailboxes. I edited the properties of one user and went to the "Mail Flow Settings" tab. Highlight the "Message Size Restrictions" and click the properties button. Now, the Sending Message SIze and Receiving Message Size "Maximum Message Size in KB" were unchecked, hence the get-Mailbox report of MaxMessageSize = unlimited. I checked both boxes and entered 102400 (100 MB in KB) and saved. I didn't even restart the transport service or anything and voila! I was able to send files larger than 10 MB. I then changed all the users the same way (there's probably a global way to do this, but I only have 15 users.) Now get-Mailbox in the Exchange Management Shell shows 100 MB on all mailboxes. I still don't understand why not setting a limit and get-mailbox showing unlimited isn't actually unlimited, but there's probably a twisted Microsoft logic to it somewhere. Henrik stated that "There's no other places in Exchange 2007 you can configure the message size limits." referencing the Exchange Management SHell commands for setting the configuration for the following items (the commands here are the get or "show me" commands):get-sendconnector, get-recieveconnector get-transportconfig shows MaxSendSize is unlimited get-Mailbox shows MaxSendSize is unlimited. I'm sure that Henrik is right, those are the only settings, except it seems that having the Maximum Size check boxes unchecked and get-mailbox showing "unlimited" somehow really isn't... But limiting the size to a size larger than what you want to send works. Good luck to us all as we try to figure this new software out. -Steve
You are my own personal hero for the rest of the month!
I tried that and low and behold, it worked. Though on my server I did have to bounce the message store.
Funny thing I had looked over that setting numerous times, but figured, unlimted, would be unlimited. So it is nice now to be able to receive the attachments that we should be getting now.
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All Forums >> [Microsoft Exchange 2007] >> Message Routing >> Unable to receive messages >10MB 
Unable to receive messages >10MB - 
RE: Unable to receive messages >10MB - 
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