This simple guide shows you how to configure your send/receive connectors and change the maximum send/receive message size.
Open up the Exchange Admin Center:
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn1-300x110.png)
- Step 1 -> Enter in the user that has access to create databases. E.g. Domain\username
- Step 2 -> Enter in the password
- Step 3 -> Click Sign in
Send Connector:
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn2-300x129.png)
- Step 1 -> Click on Mail flow.
- Step 2 -> Click on Send Connectors.
- Step 3 -> Click on your defined send connector.
- Step 4 -> Click the Pencil to edit the current send connector.
As you can see the maximum send message size is 10 MB. In this exercise we will change it to 30MB.
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn3-300x248.png)
- Default view of the current config.
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn4-300x248.png)
- Step 1 -> Change the value to 30.
- Step 2 -> Click Save.
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn5-300x248.png)
- Progress Screen.
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn6-300x127.png)
- Back in the Exchange Admin Center (EAC) you can now see that the new value is 30MB.
Configure Receive Connectors:
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn7-300x119.png)
- Step 1 -> Click on Mail Flow
- Step 2 -> Click on Receive Connectors
- Step 3 -> Click on the Default Frontend connector.
- Step 4 -> click the Pencil to edit the current connector.
As you can see the maximum receive message size is 36MB, in this exercise we are going to change this to 30MB.
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn8-300x248.png)
- Current config.
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn9-300x248.png)
- Step 1 -> Change the value from 36 to 30.
- Step 2 -> Click on Save.
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn10-300x249.png)
- Progress screen.
![Configure maximum message size limit on send-receive connectors in exchange 2013 Configure maximum message size limit on send-receive connectors in exchange 2013](https://www.collaborationpro.com/wp-content/uploads/2015/02/conn11-300x121.png)
- Back in the EAC you can now see the value has been changed.
- Complete this for any other connectors.
Hope it helps.
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