Exchange 2007

I recently migrated from exchange 2000 to exchange 2007. We have 2 CAS/HUB and 2 mailbox servers. Our users are getting this error when they try to send even 1mb attachment.
5.2.3 smtp;450 5.2.3 Msg Size greater than allowed by Remote Host> #SMTP#

Original message headers:

Received: from EXCH1.ad.acni.net ([10.11.0.32]) by acnmail2.ad.acni.net with
 Microsoft SMTPSVC(5.0.2195.6713);       Tue, 30 Sep 2008 11:37:59 -0700
Received: from exch3.ad.acni.net ([10.11.0.37]) by EXCH1.ad.acni.net
 ([10.11.0.32]) with mapi; Tue, 30 Sep 2008 11:37:59 -0700
From: Alejandro Ramirez <AlexRamirez@acni.net>
To: "Craig Campbell (craig@rainbowdisposal.com)" <craig@rainbowdisposal.com>
Date: Tue, 30 Sep 2008 11:37:56 -0700
Subject: OBM historical price chart
Thread-Topic: OBM historical price chart
Thread-Index: AckjK6fh99sQlbNhR662T/RJxWuySg==
Message-ID: <D305617133A72D42AB4FEB1A7358FF72062E3B66@exch3.ad.acni.net>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: yes
X-MS-TNEF-Correlator:
acceptlanguage: en-US
Content-Type: multipart/mixed;
      boundary="_004_D305617133A72D42AB4FEB1A7358FF72062E3B66exch3adacninet_"
MIME-Version: 1.0
Return-Path: AlexRamirez@acni.net
X-OriginalArrivalTime: 30 Sep 2008 18:37:59.0984 (UTC) FILETIME=[AA05C300:01C9232B]

mamtashahAsked:
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gupnitConnect With a Mentor Commented:
Hi Mamta,
You will have to increase the System Limit to allow higher messages:
Goto --> ADSIEdit --> Configuration --> Services --> Microsoft Exchange (org) -> Global Settings --> Right Click Message Delivery -> Properties, and set delivContLength and submissionContLength to 10240 for 10MB
Also via Powershell use these command to see if limits there are ok
  • Get-Transportconfig
  • get-receiveconnector
  • get-sendconnector
Hope this helps
Thanks
Nitin




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mamtashahAuthor Commented:
Many thanks Nitin and appraciate your prompt reply
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gupnitCommented:
My pleasure :-)  !!
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