Windows Vista forum

General discussion

UPnP Confusion

by StargateFan / September 20, 2008 2:05 AM PDT

Everyone is familiar with the usual Windows sound effect for mounting an UPnP device, right? What is strange about my machine is that it plays this sound at what seems like random. Whether I'm using the machine or not it will just suddenly play the sound effect of an umounting (like if I pulled an USB flash drive out of the USB) and immediately after playing this sound, it will play the mounting sound effect (as if someone plugged a flash drive in).

I have never heard of this sound effect being played for anything except the UPnP sub-system, and yet there is nothing being added or removed hardware wise from the machine. When checking the Event Viewer logs there is nothing being recorded in the hardware logs. However in the System logs there are events that occur at the exact time the UPnP sound initiates.

Unfortunately the event is different, meaning it's not the same thing every time, which means I can not pinpoint the exact problem from these logs. The most recent event which caused the unmounting sound was:

(DCOM started the service upnphost with arguments "" in order to run the server:)

The event which caused the mounting effect was:

(The UPnP Device Host service entered the running state)

As a post script if I am playing a video game on the machine and this occurs I do loose control of the game and the game itself goes into a non-declared error. I have control of the game and it's menu control system but the character display control is gone. Thanks

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Just ran into this.
by R. Proffitt Forum moderator / September 20, 2008 4:01 AM PDT
In reply to: UPnP Confusion

Sorry I don't have a cure but figured out that it was the neighbors unsecured wifi router. For now I just ignore this one.

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Network Security Is Not an Issue in this Case
by StargateFan / September 20, 2008 2:17 PM PDT
In reply to: Just ran into this.

I am confident that the security of my network is not factor in this problem Bob. I can guarantee this fact with this particular machine because the problem occurs with all network connections disabled, and powered off.

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In my case, no issue of security.
by R. Proffitt Forum moderator / September 20, 2008 10:26 PM PDT

It was simply the other router was not secure and UPNP found it and told me about the UPNP device showing up. It was an annoyance but nothing more. You can disable UPNP in vista as you did in XP.

"can guarantee this fact with this particular machine because the problem occurs with all network connections disabled, and powered off."

Then it's either another network such as wifi (turn off too) or it's not UPNP but some other event. I'm sharing a recent discovery but maybe it does not apply. Remember that FIREWIRE is on the networking devices list so be sure to disable that too.

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