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How to gain access to ADMIN$ on XP SP3 over network ?

Posted on 2011-02-25
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Last Modified: 2012-05-11
Hi,

I am trying to enable access for VMware's Vcenter Converter tool (WIn 7 Pro 64bit) over the network to my old XP SP3 laptop so that I can convert it to a Virtual Machine.

To do this the converter installs a temporary agent on the XP machine thus it needs access to the XP ADMIN$ folder. Even if I login as the XP Administrator account in the COnverter tool, I still get denied access to the ADMIN$ folder.

I can ping the server from the WIn7 machine fine

I tried doing dir \\xpmachine\admin$ , but got a "access denied" message. I guess I need to put in a username and password on the command line somewhere.

What is you advice in sorting this access since I suspect once I have disable som security policy or whatever and enable access to Admin$ then the converter will work fine.

Thanks,

Sam

P.s I have tried disabling all firewalls and also "simple file sharing" is disabled on the XP machine and normal file and print services is active.
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Question by:SamJolly
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Accepted Solution

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4runnerfun earned 500 total points
ID: 34981878
Ensure the admin share is available on the workstation/laptop

Workstation ADMIN$ Share

For NT4 Workstations, Win2K Professional, XP Professional, go to:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanManServer\Parameters

Name: AutoShareWks

Data Type: REG_DWORD

Value: 1

Note: A reboot is necessary for this to take effect.

If you want the administrative shares to be re-created, change the value to 1.
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Expert Comment

by:4runnerfun
ID: 34981902
Also ensure the file and print sharing is not disabled on the laptop. Also possible that windows firewall is blocking it...
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Author Comment

by:SamJolly
ID: 34982121
Hi,

Thanks for the quick response.

I have done a "new share" at the cmd prompt on the XP laptop and I can see ADMIN$ and also in "shares" in "computer Management"

I have switched off my firewalls on both laptops so surely there should be no further blocking due to firewalls.

Just checking the registry although if I can see the share at the cmd prompt I guess this will be fine.

Sam
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Author Comment

by:SamJolly
ID: 34982171
Ok, just found, to my surprise that "AutoShareWks" was absent. So added and rebooting. Back soon.
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Author Comment

by:SamJolly
ID: 34982331
By the way how can I test whether this has worked from the win 7 command prompt? I guess it is some form of

dir \\laptopname\admin $ username\password

Cheers.
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Author Comment

by:SamJolly
ID: 34982427
The new registry key seems to have disappeared. I have put it back in and rebooted.

However got to go for some tea. Back in about 3 hours.

THanks for your help thus far.
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Author Comment

by:SamJolly
ID: 34983793
Just found errors to do with IRPStackSize being too small. Checked it and it was not there, so added it with a value fo decimal 15. Still erroring so have increased to 30.
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Author Comment

by:SamJolly
ID: 34984200
Moving the IRPStackSIze to 30 helped. Basically a whole heap of things seem to have contributed to this problem. Now checking that VSS is enabled and working properly so that is my next line of attack.

Thanks for your help,

Sam
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