Volume transfer network error - Payload exceeds the maximum expected response size (4041617)

Change the default port number from 8009 to an alternate port or determine which application is using 8009:

From the agent:

1. Open a command prompt
2. Type: Netstat –aon | find “8009”
3. The output will display whether port 8009 is available
4. Change the conflicting application to a different port or:

From the core:

1. Select the Agent in question through the core GUI
2. Click on the "configuration" tab.
3. Select "transfer settings"
4. In the top right hand corner, click on "change"
5. Change the port number from 8009 to a different number e.g 8011
6. Force a snapshot of the agent.

Transfer should now work.