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    Hi,

    I've been asked to apply message size limits to our Exchange infrastructure, limits have been set at 100mb incoming and 10mb outgoing.

    Thought this was simple by running in the EMS -> Set-TransportConfig -MaxReceiveSize 100MB -MaxSendSize 10MB

    But when I do this I get an NDR when testing of -> "#550 5.2.3 RESOLVER.RST.SendSizeLimit.Org; message too large for this organization ##" the NDR indicates the limit is 10mb, when I remove the send limit the messages get through without an issue.

    The Exchange infrastructure is all roll separated, so we have a separate server for each CAS, HUB and MBX servers.

    If someone could point out what I'm doing wrong...

    Thanks

    Michael.

    Monday, April 11, 2011 2:31 PM

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    Here is a great link that explains all the different places to apply message size limits depending on what you are trying to achieve:

    http://eightwone.com/2010/09/29/exchange-message-size-limits/

    Tim Harrington | MVP: Exchange | MCITP: EMA 2007/2010, MCITP: Lync 2010, MCITP: Server 2008, MCTS: OCS | Blog: http://HowDoUC.blogspot.com | Twitter: @twharrington
    • Proposed as answer by Mike Crowley Tuesday, April 12, 2011 4:25 AM
    • Marked as answer by Michael Skitt Tuesday, April 12, 2011 7:34 AM
    Monday, April 11, 2011 2:46 PM

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    Here is a great link that explains all the different places to apply message size limits depending on what you are trying to achieve:

    http://eightwone.com/2010/09/29/exchange-message-size-limits/

    Tim Harrington | MVP: Exchange | MCITP: EMA 2007/2010, MCITP: Lync 2010, MCITP: Server 2008, MCTS: OCS | Blog: http://HowDoUC.blogspot.com | Twitter: @twharrington
    • Proposed as answer by Mike Crowley Tuesday, April 12, 2011 4:25 AM
    • Marked as answer by Michael Skitt Tuesday, April 12, 2011 7:34 AM
    Monday, April 11, 2011 2:46 PM
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    Thanks for the link, was meant to say the NDR is from an external source "Hotmail" I thought by setting the MaxReceiveSize 100MB would allow me to receive mail up to this size.
    Monday, April 11, 2011 3:35 PM
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    I think hotmail has a 10MB (send and recieve) limit...could be wrong.  It is definitely not 100MB
    Tim Harrington | MVP: Exchange | MCITP: EMA 2007/2010, MCITP: Lync 2010, MCITP: Server 2008, MCTS: OCS | Blog: http://HowDoUC.blogspot.com | Twitter: @twharrington
    Monday, April 11, 2011 4:18 PM
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    You may have to wait for the changes.

    http://technet.microsoft.com/en-us/library/bb684892(EXCHG.80).aspx

    Sukh

    Monday, April 11, 2011 4:22 PM
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    Hotmail has a 25mb limit the NDR was being generated from my HUB server.

    Been through this http://technet.microsoft.com/en-us/library/bb124345.aspx it's a little annoying that there isn't a difference between mailboxes and servers at the organisation level, as the limit that we are trying to impose is on the mailboxes and not the servers, I know I can apply a limit on the individual mailboxes and have done this at the moment, but by applying the limit at the mailbox level still allows the user to send the item (Ok you get an 'Undeliverable' message) but the item is still written to the users sent items, whereas if the limit as at the organisation level you can not even send the item.

    Michael.

    Monday, April 11, 2011 5:25 PM
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    Did you read the link Tim posted initially?

    Mike Crowley
    Check out My Blog!

    Tuesday, April 12, 2011 4:25 AM
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    Mike,

    I did thanks, I guess I was being was being impatient, I now get the message within Outlook after settings the limits on mailboxes last night and trying again this morning.

    Thanks to Tim for the response.

    Michael.

    Tuesday, April 12, 2011 7:34 AM