Article ID: 2011490 - View products that this article applies to.
Consider the following:
When the stream is attempted to render to a non-default DirectSound device, you may receive the following error:
"These filters cannot agree on a connection. Verify type compatibility of input pin and output pin.
Cannot play back the audio stream: no audio hardware is available, or the hardware is not responding. (Return code:0x80040256)"
This issue can happen when DirectSound uses an internal store to keep track of audio hardware, and the internal store becomes unsynchronized with the Windows Audio stack.
To work around this issue, you can clean up the internal store DirectSound uses to store audio device information. The store will be recreated when an application uses DirectSound again.
The following keys and all subkeys can be safely removed to resolve the issue:
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.
Article ID: 2011490 - Last Review: January 18, 2010 - Revision: 1.0