Change Windows SBS default message size
To change the default message size that Windows SBS 2008 server can recevie or send paste this in the Exchange Management Shell. ( Change "SERVIDOR" to our server name). Get-ReceiveConnector | select identity,maxmessagesize Set-ReceiveConnector "SERVIDOR\Default SERVIDOR" -maxmessagesize 150MB Set-ReceiveConnector "SERVIDOR\Windows SBS Fax Sharepoint Receive SERVIDOR" -maxmessagesize 150MB Set-ReceiveConnector "SERVIDOR\Windows SBS Internet Receive SERVIDOR" -maxmessagesize 150MB Get-SendConnector | select identity,maxmessagesize Set-SendConnector "Windows SBS Internet Send SERVIDOR" -maxmessagesize 150MB