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FabulaTech Forum USB Solutions USB over Network (Moderators: Andrew, Tim_GaliullinFT, Sergey_Jarovski) URGENT! - Error (87) Previous topic | Next topic
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ITGS
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URGENT! - Error (87)
on: Jan 19th, 2012, 4:53am 		Quote Quote  Modify Modify
We update client and server to version 4.7.2 After that we are not able to connect to shared device on server.
 
The error is the following:
 
"Cannot connect to USB device. Error(87). Module: VirtualUsbDevice (34Cool"
 
Please help us to solve the issue because we are totally down
 
Thank you
 
Server OS : Win 2008 r2 sp1 (hyper-v server)
Client OS: Win 2008 r2 sp1 (Hyper-V guest)
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Harry_Mitkov
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Re: URGENT! - Error (87)
Reply #1 on: Jan 19th, 2012, 5:11am 		Quote Quote  Modify Modify
Hi.
 
Our support manager will contact really you soon via email.
 
Thanks.
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pjfrutuoso
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Re: URGENT! - Error (87)
Reply #2 on: Feb 22nd, 2012, 7:09am 		Quote Quote  Modify Modify
I'm getting the same error on the client side.
 
On the server side I can't share the device (only if I activate the "Auto-Sharing").
 
OS Server: Windows Server 2008 R2 SP1
OS Client: Windows Server 2008 R2 SP1 (VMware)
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pjfrutuoso
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Re: URGENT! - Error (87)
Reply #3 on: Feb 22nd, 2012, 7:15am 		Quote Quote  Modify Modify
on Feb 22nd, 2012, 7:09am, pjfrutuoso wrote:
I'm getting the same error on the client side.
 
On the server side I can't share the device (only if I activate the "Auto-Sharing").
 
OS Server: Windows Server 2008 R2 SP1
OS Client: Windows Server 2008 R2 SP1 (VMware)

 
UPDATE:
I've restarted de Client Server and it's OK now. But I'm still not able to share the device manually, only via "Auto-Sharing" (even after restarting the Server-side server).
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Serge Frost
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Re: URGENT! - Error (87)
Reply #4 on: Feb 22nd, 2012, 9:52am 		Quote Quote  Modify Modify
Greetings!  
 
Usually this error appears when USB over Network does not receive correctly answer from the device. Please try this version of USB over Network:
 
http://www.usb-over-network.com/usbnet-data/4.5.3-safemode/usb-over-network_safemode.zip  
 
It is designed specially for devices that behaves themselves incorrectly.
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