Monday, November 19, 2007

Exchange 2007 receive connectors

By default, when you set up new connectors to interoperate with your Exchange 2003 servers, you will find that the connectors are set with 10MB limits. With any encapsulating overhead this means less than 10MB.

Drop to a Powershell command prompt and type:
Get-Receiveconnector | Select identity,MaxMessageSize

This will list the 10MB limits of both your client connector and default connector (if you have followed standard practice). Now increase it. Since this is for internal traffic, make it large.

Set-Receiveconnector -identity "server\site" -MaxMessageSize: 300MB

Substitute server\site for the exact output in the get- results. Then repeat the get- command to ensure that the new limits are in place.

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