ESRI: How to get more than 500 points from the server.

To change the number of records returned by a map service go to the config file location:

(default path) C:\Program Files\ArcGIS\server\user\cfg\

1: open the cfg file for your service with a text editor
these are named by the follow pattern: <configuration name>.<service type>.cfg

2: find <MaxRecordCount>500</MaxRecordCount>

3: Change the 500 to your desired value.

4: Save the file.

5: restart the ArcGIS Server Object Manager service
(Control Panel -> Administrator Tools -> Services)