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Set Message Size Limits in Exchange 2010 and Exchange 2007

Posted on February 23, 2021 By rich No Comments on Set Message Size Limits in Exchange 2010 and Exchange 2007

Typical Errors:

#550 5.2.3 RESOLVER.RST.SendSizeLimit; message too large for this sender ##

#550 5.2.3 RESOLVER.RST.RecipSizeLimit; message too large for this recipient ##

There are several places to check/set message size limits:

1. Organizational Limits
Set-TransportConfig -MaxReceiveSize 40MB -MaxSendSize 40MB

In Exchange 2007 SP1 and later, you can also set the organizational message size limits using the EMC by going to Organization Configuration | Hub Transport | Global Settings tab | Transport Settings | properties | General tab.
Transport Settings Properties
2 Receive Connector Limits
Set-ReceiveConnector “CONNECTOR NAME” -MaxMessageSize 40Mb
.
To modify the maximum message size on a Receive Connector using the Exchange console, select Server Configuration | Hub Transport | select a Hub Transport server | Receive Connectors -> select a connector | Properties | General tab.
Receive Connctor Properties
3. Send Connector Limits
Set-SendConnector “CONNECTOR NAME” -MaxMessageSize 40Mb

To modify the maximum message size on Send Connectors, select Organization Configuration | Hub Transport | Send Connectors -> select connector | Properties | General tab.
Send Connector Properties
4. Recipient Limits
Set-Mailbox “Rich” -MaxSendSize 20Mb -MaxReceiveSize 20Mb

To set these using the Exchange console: Recipients | Mailbox -> select mailbox (or select another recipient type such as a contact or mail user from the corresponding node) | properties | Mail Flow Settings tab | Message Size Restrictions.
To modify the maximum message size on Send Connectors, select Organization Configuration | Hub Transport | Send Connectors -> select connector | Properties | General tab.
Recipient Limits
5. Active Directory Site Link Limit
By default, the MaxMessageSize on AD Site Links is set to unlimited. This can be changed using the following command:

Set-ADSiteLink “DEFAULTIPSITELINK” -MaxMessageSize 20Mb

6. To track messages that failed because of recipient’s MaxReceiveSize:

Get-MessageTrackingLog -EventID FAIL | where {$_.RecipientStatus -like “*RecipSizeLimit*”}

To track messages that failed because of the sender’s MaxSendSize:

Get-MessageTrackingLog -EventID FAIL | where {$_.RecipientStatus -like “*SendSizeLimit*”}




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