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No login screen through Terminal Services whilst a USB HDD is connected

Posted on 2006-06-22
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Last Modified: 2012-05-05
Hello
We have a few servers on completely different networks and different hardware that are displaying similer problems.

When they have there external USB hard disk's connected (backup drives).  A user cannot connect to them through terminal services / remote desktop (they are all running in administrator mode, not in terminal server mode).
The connection will connet and show blue / grey screen and stay there.  If the USB HDD is turned off or removed the login prompt will appear within a second or two and you can now login.

Any help appriciated
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Question by:Michael_Melb_Aust
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by:redseatechnologies
ID: 16967546
Hi Michael_Melb_Aust,

Can you log in to the console without issue?

Are there any startup programs that use this device?

-red
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by:dooleydog
ID: 16968373
I would bet that it is a security "feature".

does the external HD need to be connected to the server, or could it be connected to another machine and use a mapped drive?

this is just a suggested work arround,

Good Luck,
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by:Michael_Melb_Aust
ID: 16973602
The administrator can log onto the console

The HD really is desired to be plugged into the local server as most of our sites only have 1 server which is left on permantly.


After a reboot most of the time you can connect through terminal services.  And previously in the past there were no problems.

However in the last few months this problem has raised it's head.  I was thinking it could be a windows update.  However because these are live servers I do not want to go rolling back updates
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by:redseatechnologies
ID: 16973605
anything in the eventlog?
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by:Michael_Melb_Aust
ID: 16973616
Not that I'm aware of
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by:redseatechnologies
ID: 16973807
can you check?

So the admin can ALWAYS log on to the console when there are problems with RDP?

If not, is the machine still responsive when the console is greyed out?
I mean, can you access \\servername from another machine - is it responding to pings - that kind of thing?

Try updating the drivers for the motherboard, usb host, and external drive.

If the admin can always log on to the console when this anomaly occurs, can the admin log via rdp?

-red
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by:Michael_Melb_Aust
ID: 16974033
Yes it has been checked that everything works apart from RDP

There are users that are using shares on the machine and the console has been logged on without any problems.

These servers are only connected to on odd occasions when the clients need remote administrative support so we are trying to log in as administrator.   However the login prompt does not appear until we instruct the client to turn off the USB HDD.

In terms of drivers.  It has happened on HP and IBM servers that are in production.  So because of different hardware manufactures we have not looked at drivers.
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by:redseatechnologies
ID: 16974128
So you have multiple servers, in seperate locations, that are experiencing the same problems?

Are you using the same external hard drive types?  Same manufacturer maybe?

If there is no common denominator, then you may have no choice but to give MS PSS a call...

-red
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by:Michael_Melb_Aust
ID: 16976632
I'm not 100% on the different external HDD's.  As they are different clients looked after by different people.  I'll find out next week however.

I do know that the client I have is using a seagate 300GB
The silly thing is, is that it's working at this point in time, and has been all weekend.
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by:redseatechnologies
ID: 16976646
How long has this been a problem for?

I mean did it start a week ago and kind of end on friday?

It *COULD* be that some patch has changed the way windows interfaces with usb drives, after which it needs to regenerate or modify something on the drive that takes time - could be that whatever it was trying to do is now done

But I am just pulling this out of ...... thin air

-red
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by:Michael_Melb_Aust
ID: 16976725
My client has had it happening just for the last 2 - 3 weeks.  However we have had other clients experiance this for over 2 months
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by:redseatechnologies
ID: 17158765
Hi vsg375,

I would like to see this as a PAQ - Refund; this is a bizzare problem that someone else will have (somewhere)

Might be beneficial having it in the PAQ, but either way I dont mind

-red
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by:Michael_Melb_Aust
ID: 17158810
It is a bizzare problem.  It is also hard to diagnose because it happens so rarely, (has only happened twice to my client).
The only closer thing we have found is we believe it has happened mostly on HP servers with seagate external USB HDD's attatched.  However we don't think it's been exclusivly that.  We have also found that in the event log you get alot of disk error messages until it is unplugged.  So perhaps it is a problem with the external HDD's or the USB interface.
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by:vsg375
ID: 17159572
Hi all,

I don't mind having the Q PAQed with refund, if you think there is valuable information others can use. No problem at all :)

Cheers
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