USBSTOR --> Registry entry changes automatically!!

[Rayees]

Dear All

I have need to disable external usb based storage devices, towards this I
made a GPO after refering article http://support.microsoft.com/?kbid=555324
and applied the same to a specific set of computers in a OU. I find it
works fine.

However when the PCs gets rebooted i noticed the PC can sense the external
usb based storage devices. Which means the policy is not working. However
in the same policy I have someother settings like hide mycomputers etc,
which works fine.

In order to understand I log on to the PC as local admin, and checked the
registry where I find Start key of USBSTOR was set to 3. I manually changed
it to 4 and inserted a pendrive it never sensed the same. After few restart
I noticed the pendrive is again sensing. I checked the same registry entry
and I was surprise to see that the entry 4 which I made was automatically
reversed to 3.

I'm using Windows XP professional OS

Would appreciate your help on this.

Regards
Rayees

[Rayees]

Hi guys

Not to worry, I got a fix for my problem.

I noticed this happens due to the plug and play device. When the device
plugs in it automatically changes the registry settings to 3. Hence we
edited the existing GPO and added the usbstor.inf and usbstor.pnf to the
file system and given everyone Deny access.

This solves the problem

Thanks & Regards
Rayees

Post by Rayees
Dear All
I have need to disable external usb based storage devices, towards this I
made a GPO after refering article
http://support.microsoft.com/?kbid=555324 and applied the same to a
specific set of computers in a OU. I find it works fine.
However when the PCs gets rebooted i noticed the PC can sense the external
usb based storage devices. Which means the policy is not working.
However in the same policy I have someother settings like hide mycomputers
etc, which works fine.
In order to understand I log on to the PC as local admin, and checked the
registry where I find Start key of USBSTOR was set to 3. I manually
changed it to 4 and inserted a pendrive it never sensed the same. After
few restart I noticed the pendrive is again sensing. I checked the same
registry entry and I was surprise to see that the entry 4 which I made
was automatically reversed to 3.
I'm using Windows XP professional OS
Would appreciate your help on this.
Regards
Rayees

[Ken Zhao [MSFT]]

Hello Rayees,

Thank you for using newsgroup!

Glad to hear you have found the fix. If you have any other questions,
please feel free to contact us.

Thanks & Regards,

Ken Zhao

Microsoft Online Support
Microsoft Global Technical Support Center

Get Secure! - www.microsoft.com/security <http://www.microsoft.com/security>
====================================================
When responding to posts, please "Reply to Group" via your newsreader so
that others may learn and benefit from your issue.
====================================================
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--------------------
| Reply-To: "Rayees" <***@newsgroup.nospam>
| From: "Rayees" <***@newsgroup.nospam>
| References: <eF$***@TK2MSFTNGP03.phx.gbl>
| Subject: Re: USBSTOR --> Registry entry changes automatically!!
| Date: Sun, 5 Aug 2007 12:45:18 +0530
| Lines: 44
| X-Priority: 3
| X-MSMail-Priority: Normal
| X-Newsreader: Microsoft Outlook Express 6.00.2900.3138
| X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138
| X-RFC2646: Format=Flowed; Response
| Message-ID: <***@TK2MSFTNGP03.phx.gbl>
| Newsgroups: microsoft.public.windows.group_policy
| NNTP-Posting-Host: 59.161.75.130.del-cdma.dialup.vsnl.net.in 59.161.75.130
| Path: TK2MSFTNGHUB02.phx.gbl!TK2MSFTNGP01.phx.gbl!TK2MSFTNGP03.phx.gbl
| Xref: TK2MSFTNGHUB02.phx.gbl microsoft.public.windows.group_policy:5023
| X-Tomcat-NG: microsoft.public.windows.group_policy
|
| Hi guys
|
| Not to worry, I got a fix for my problem.
|
| I noticed this happens due to the plug and play device. When the device
| plugs in it automatically changes the registry settings to 3. Hence we
| edited the existing GPO and added the usbstor.inf and usbstor.pnf to the
| file system and given everyone Deny access.
|
| This solves the problem
|
| Thanks & Regards
| Rayees
|
| "Rayees" <***@newsgroup.nospam> wrote in message
| news:eF$***@TK2MSFTNGP03.phx.gbl...
| > Dear All
| >
| > I have need to disable external usb based storage devices, towards this
I
| > made a GPO after refering article
| > http://support.microsoft.com/?kbid=555324 and applied the same to a
| > specific set of computers in a OU. I find it works fine.
| >
| > However when the PCs gets rebooted i noticed the PC can sense the
external
| > usb based storage devices. Which means the policy is not working.
| > However in the same policy I have someother settings like hide
mycomputers
| > etc, which works fine.
| >
| > In order to understand I log on to the PC as local admin, and checked
the
| > registry where I find Start key of USBSTOR was set to 3. I manually
| > changed it to 4 and inserted a pendrive it never sensed the same.
After
| > few restart I noticed the pendrive is again sensing. I checked the
same
| > registry entry and I was surprise to see that the entry 4 which I made
| > was automatically reversed to 3.
| >
| > I'm using Windows XP professional OS
| >
| > Would appreciate your help on this.
| >
| > Regards
| > Rayees
| >
|
|
|

[keyur p]

understood your solution but here in our org we don't have access to GPO. In this scenario could you please suggest for the solution where USBSTOR value getting changed everytime.

Post by Rayees
Dear All
I have need to disable external usb based storage devices, towards this I
made a GPO after refering article http://support.microsoft.com/?kbid=555324
and applied the same to a specific set of computers in a OU. I find it
works fine.
However when the PCs gets rebooted i noticed the PC can sense the external
usb based storage devices. Which means the policy is not working. However
in the same policy I have someother settings like hide mycomputers etc,
which works fine.
In order to understand I log on to the PC as local admin, and checked the
registry where I find Start key of USBSTOR was set to 3. I manually changed
it to 4 and inserted a pendrive it never sensed the same. After few restart
I noticed the pendrive is again sensing. I checked the same registry entry
and I was surprise to see that the entry 4 which I made was automatically
reversed to 3.
I'm using Windows XP professional OS
Would appreciate your help on this.
Regards
Rayees

Post by Rayees
Hi guys
Not to worry, I got a fix for my problem.
I noticed this happens due to the plug and play device. When the device
plugs in it automatically changes the registry settings to 3. Hence we
edited the existing GPO and added the usbstor.inf and usbstor.pnf to the
file system and given everyone Deny access.
This solves the problem
Thanks & Regards
Rayees

Post by Ken Zhao [MSFT]
Hello Rayees,
Thank you for using newsgroup!
Glad to hear you have found the fix. If you have any other questions,
please feel free to contact us.
Thanks & Regards,
Ken Zhao
Microsoft Online Support
Microsoft Global Technical Support Center
Get Secure! - www.microsoft.com/security <http://www.microsoft.com/security>
====================================================
When responding to posts, please "Reply to Group" via your newsreader so
that others may learn and benefit from your issue.
====================================================
This posting is provided "AS IS" with no warranties, and confers no rights.
--------------------
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