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  • Status: Solved
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How to resolve Signature collision using USB Hub?

I am using a Targus USB 3.0 Hub with 4 ports. Running windows server 2008R2.  Server only has two open USB ports without the Hub.  Server ports are 2.0.  I plug the Targus into 1 port and I can use 3 USB drives before the error occurs.  Also can't use the other USB port that is not connected to HUB if the HUB is plugged in.  I get same error when I try to add a drive to that USB port.  Computer management shows the disk as offline with this error Signature collision with another disk this is online.

Is there some simple way to solve this so I can use the other two usb ports?
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kdschool
Asked:
kdschool
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1 Solution
 
Cliff GaliherCommented:
This has nothing to do with USB. Disks get stamped with a unique ID when windows first touches them and one of your disks has a duplicate ID. This usually happens if USB drives are cloned (which Js not a good idea. You can use diskpart to reset the disk ID, but it is a significant change and data loss can occur.
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kdschoolAuthor Commented:
Why did I not see the error until I plugged in the USB Hub.  The server has 4 hard drives and I never saw this even using the original 2 USB ports for backups.  It only occurs if I use the HUB. If I remove the Hub and reboot the server then both ports work correctly again.
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kdschoolAuthor Commented:
http://blogs.technet.com/b/markrussinovich/archive/2011/11/08/3463572.aspx

I found this and it explains this.  You are right I am using and image for this server. Still I can use the 3 ports without a problem so I guess I will stick with those.
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