AdamGrossmanLG
 
 
Hi Mark,

Thanks for the input.  Mine is ENABLED.  So I guess that's not it either :(  Thanks though.

 Needs to be Disabled :-)

If you say yours is ENABLED, that means that you are ALLOWING selective suspend, which can cause problems. What Rasure was saying was it should be disabled (as in the image). That is something you should change when you can and set it to DISABLED.
 

AdamGrossmanLG

Rasure
Just a thought, you could check to see if your USB selective suspend setting is not enabled. I had similar issues with USB hard disks disconnecting until I disabled it, never had a problem since. Not saying this is the issue, but worth a check. I`m on windows 7 so you`ll have to check for your settings in your own windows version :-)  

Hi Mark,

Thanks for the input.  Mine is ENABLED.  So I guess that's not it either :(  Thanks though.

Cool beans, will try this first tonight, when I get home.  Thank you for the input.
 
It is weird that my MIDI controller works with stand alone VSTS and not Sonar, so one would figure it is Sonar... but I will try this setting first and report back here.

Thank you for the help!

Don't forget to check the port limit thing too. It can create the symptoms you describe.
 

One truly Bizarre thing I found with both my M-Audio Keystation Pro 88 and MIDISport USB 8x8 MIDI interface.  If they were plugged into USB port next to my USB Mouse, as you know USB ports are often paired on PC cases, the MIDI device connected would just lose connection with SONAR after some indeterminate time.

All the usual power management had been set, and the suspend disabled but still they would just stop working.

My solution is one device per pair of USB ports since I adopted this approach I have not had a single dropout. 

Good point. I added a USB PCIe cards exclusively for audio. With some audio interfaces, it really cut down on digital hash noise.

Anderton
Good point. I added a USB PCIe cards exclusively for audio. With some audio interfaces, it really cut down on digital hash noise.

Did the same on a friend's system -- solved all of his quirky issues.  I have long done this on my Firewire-based system (Three systems so far, starting with PCI, now with PCIe).  I suspect it's the main reason I don't seem to have all of the problems others do.

Craig/JonD

Do you have a link to the USB PCIe card that is exclusively for audio?

Thanks!

It's not that it's exclusively for audio, it's a regular USB 3.0 card that I've dedicated to only audio devices. It was the cheapest one that Best Buy sells and it still works. 
 

JonD
Did the same on a friend's system -- solved all of his quirky issues.  I have long done this on my Firewire-based system (Three systems so far, starting with PCI, now with PCIe).  I suspect it's the main reason I don't seem to have all of the problems others do.

 
Preach it, bro! 

AdamGrossmanLG

Rasure
Just a thought, you could check to see if your USB selective suspend setting is not enabled. I had similar issues with USB hard disks disconnecting until I disabled it, never had a problem since. Not saying this is the issue, but worth a check. I`m on windows 7 so you`ll have to check for your settings in your own windows version :-)  

Hi Mark,

Thanks for the input.  Mine is ENABLED.  So I guess that's not it either :(  Thanks though.

Hey - I skipped any posts after this one, because I quoted it and it took me to the bottom.
 
You WANT the USB Selective Suspend option DISABLED.  Otherwise, Windows will disconnect USB-connected devices, which then knocks them out of working in Sonar.  Disable that option, and Windows will leave everything connected via USB alone.
 
Bob Bone