Policy
Set the maximum number of WebSocket connections per server
This policy setting allows you to change the default limit of WebSocket connections per server. The default limit is 6; you can select a value from 2 through 128. If you enable this policy setting, Internet Explorer uses the WebSocket connection limit that you set with this policy setting. If you disable or do not configure this policy setting, Internet Explorer uses the default limit of 6 WebSocket connections per server.
12aceb21fb2b IESF_WebSocketMaxConnectionsPerServer Registry
Copy registry mappings
HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBSOCKET_MAXCONNECTIONSPERSERVER\iexplore.exeHKCU\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBSOCKET_MAXCONNECTIONSPERSERVER\iexplore.exePolicy notes
This policy setting allows you to change the default limit of WebSocket connections per server. The default limit is 6; you can select a value from 2 through 128. If you enable this policy setting, Internet Explorer uses the WebSocket connection limit that you set with this policy setting. If you disable or do not configure this policy setting, Internet Explorer uses the default limit of 6 WebSocket connections per server.