Knowledgebase/Migration Planning/Exchange Server 2010

How do I increase the message size limits?

MigrationWiz Support
posted this on March 16, 2011, 21:24

To display current message size limits:

  1. Open the Exchange Management Shell 
  2. Enter the following command:

 

Get-TransportConfig | Format-List -Property MaxReceiveSize, MaxSendSize

Get-SendConnector | Format-List -Property Identity, MaxMessageSize

Get-ReceiveConnector | Format-List -Property Identity, MaxMessageSize

To increase size limits on your Exchange Server 2010 machine:

  1. Open the Exchange Management Shell 
  2. Enter the following commands:

 

Set-TransportConfig -MaxReceiveSize 100MB -MaxSendSize 100MB

Get-SendConnector | Set-SendConnector -MaxMessageSize 100MB

Get-ReceiveConnector | Set-ReceiveConnector -MaxMessageSize 100MB

Make sure you also increase the IIS limits to allow accepting payloads of this size:

  1. Increase the maximum accepted content length
  2. Increase the maximum receive message size

 

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