Windows 10, Delivery Optimization, SSDP and blocking

I go OK disable SSDP Discovery and UPnP Device Host services. The network guy says it's still doing it. So I disable my network connection (maybe getting re broadcast by switches), he did not see any SSDP packets, so definitly my machine. I tried rebooting, nothing. I double checked services and both are disabled. SSDP Discovery - Windows 10 Service - batcmd.com SSDP Discovery is unable to start, if at least one of the following services is stopped or disabled: HTTP Service; Network Store Interface Service; If SSDP Discovery is stopped, the UPnP Device Host service fails to start and initialize. Restore Default Startup Type for SSDP Discovery Automated Restore. 1. Disable Windows Messenger broadcasts on UDP port 1900

UPnP Device Host (upnphost) Service Defaults in Windows 10

Mar 13, 2019

Disable Windows Messenger broadcasts on UDP port 1900

Using Registry Values to Enable and Disable Task Using Registry Values to Enable and Disable Task Offloading. 04/20/2017; 4 minutes to read; In this article. When you debug a driver's task offload functionality, you might find it useful to enable or disable task offload services with a registry key setting. Hands On: Broadcast Analysis of UPNP and SSDP Packets | IT Mar 13, 2019