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help: obtain DNS address automatically

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help: obtain DNS address automatically - 4/14/2005 4:04:21 AM   
  stevens

 

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Joined: 4/14/2005
From:
Status: offline 		Could somebody give me the piece of wsh code necessary to enable the property "Obtain DNS server address automatically" of a net adapter in Windows XP?
A lot of thanks in advance.
 
 
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Re: help: obtain DNS address automatically - 4/14/2005 5:11:51 AM   
  kirrilian


Posts: 628
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Joined: 3/15/2005
From:
Status: offline 		do you mean dhcp? that is what gets the dns server information automatically.

(in reply to stevens)
 
 
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Re: help: obtain DNS address automatically - 4/14/2005 5:22:12 AM   
  stevens

 

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Joined: 4/14/2005
From:
Status: offline 		I've already a wshscript to change from ip static to "obtain an ip address automatically" and it works but... the switch "Obtain DNS address automatically" from my net adapter properties stay unchanged!
Why?How i can change it?
Thanks again.

(in reply to stevens)
 
 
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Re: help: obtain DNS address automatically - 4/14/2005 10:08:00 AM   
  token

 

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From:
Status: offline 		Could you post your code.

(in reply to stevens)
 
 
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Re: help: obtain DNS address automatically - 4/14/2005 7:10:47 PM   
  stevens

 

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Joined: 4/14/2005
From:
Status: offline 		My wsh code for enable DHCP is

strComputer = "."

Set objWMIService = GetObject("winmgmts:" & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colNetAdapters = objWMIService.ExecQuery("Select * from Win32_NetworkAdapterConfiguration where IPEnabled=TRUE")

For Each objNetAdapter In colNetAdapters
errEnable = objNetAdapter.EnableDHCP()

Next

But this code not enable the switch "Obtain DNS server address automatically" in the network adapter properties

(in reply to stevens)
 
 
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Re: help: obtain DNS address automatically - 4/14/2005 7:19:16 PM   
  token

 

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From:
Status: offline 		errEnable = objNetAdapter.EnableDNS

See if that's what you wanted.

Other methods related to DNS include:

EnableDNS
SetDNSDomain
SetDNSServerSearchOrder
SetDNSSuffixSearchOrder
SetDynamicDNSRegistration

Is there any reason you don't want to use GPO for that ?

(in reply to stevens)
 
 
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Re: help: obtain DNS address automatically - 4/15/2005 12:15:54 AM   
  stevens

 

Posts: 6
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Joined: 4/14/2005
From:
Status: offline 		Firstly, thanks Token for your kindness.
When i try the method

errEnable = objNetAdapter.EnableDNS()

the result is

"Invalid Method
Code: 8004102E
Source: SWbemObjectEx"

Any ideas?

(in reply to stevens)
 
 
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Re: help: obtain DNS address automatically - 4/15/2005 1:40:27 AM   
  kirrilian


Posts: 628
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Joined: 3/15/2005
From:
Status: offline 		are these machines pulling the dns server information from dhcp? if so why worry about it, if not, this might be something you have to set in the registry. id look down that path and see.

(in reply to stevens)
 
 
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Re: help: obtain DNS address automatically - 4/15/2005 9:16:12 AM   
  token

 

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From:
Status: offline 		kirrilian, I think they were all statically configured and he wanted to change this configuration on all machines at once (or something like that).

stevens, what OS do you have ?

(in reply to stevens)
 
 
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Re: help: obtain DNS address automatically - 4/17/2005 10:08:54 PM   
  stevens

 

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Joined: 4/14/2005
From:
Status: offline 		State of the art:
Indeed, I have statically assigned the ip addresses of the computers and the ip addresses of the dns servers. With a wsh script i would migrate to a dynamic assignment for the computer ip addresses and for their associated ip dns servers addresses.But when the "DNS server addresses" are statically assigned the wsh script in the Microsoft Script Center Repository only changes the "Obtain an IP Address Automatically" switch but no the "Obtain DNS Server Address Automatically". My S.O. it's Windows XP.
Thank you again for your help.

(in reply to stevens)
 
 
Post #: 10
 
Re: help: obtain DNS address automatically - 4/18/2005 3:40:11 PM   
  token

 

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Joined: 1/14/2005
From:
Status: offline 		It seems to me that EnableDNS isn't supported when the object collection is returned. However, even it executes without any error this way, it still doesn't seem to change the DNS settings to automatic. I'm not sure what causes it.

Set NetAdapter = objWMIService.Get("Win32_NetworkAdapterConfiguration")
netAdapter.EnableDNS

(in reply to stevens)
 
 
Post #: 11
 
Re: help: obtain DNS address automatically - 4/18/2005 4:15:40 PM   
  token

 

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Joined: 1/14/2005
From:
Status: offline 		You could possibly also try this.

netAdapter.SetDNSServerSearchOrder

I'm wondering if earsing all DNS server entries will make it revert back to the automatic setting.

Just some thought.

(in reply to stevens)
 
 
Post #: 12
 
Re: help: obtain DNS address automatically - 4/26/2005 2:24:47 AM   
  warhorse

 

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Joined: 4/24/2005
From:
Status: offline 		stevens,

I have been working on a similar problem and fixed the part you are having trouble with.

Change you code from

quote:
For Each objNetAdapter In colNetAdapters
errEnable = objNetAdapter.EnableDHCP()

Next


to...


      

That should do the trick. Good luck.

(in reply to stevens)
 
 
Post #: 13
 
Re: help: obtain DNS address automatically - 4/26/2005 3:29:27 PM   
  token

 

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From:
Status: offline 		Hi warhorse,

I'm just wondering if "errDNS = objNetAdapter.SetDNSServerSearchOrder" works without the null as the parameter.

Thanks

(in reply to stevens)
 
 
Post #: 14
 
Re: help: obtain DNS address automatically - 4/27/2005 2:43:55 AM   
  warhorse

 

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Joined: 4/24/2005
From:
Status: offline
quote:
Originally posted by token

Hi warhorse,

I'm just wondering if "errDNS = objNetAdapter.SetDNSServerSearchOrder" works without the null as the parameter.

Thanks




I could only get it to work when the null parameter was there.

(in reply to stevens)
 
 
Post #: 15
 
Re: help: obtain DNS address automatically - 4/27/2005 4:42:36 AM   
  token

 

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Joined: 1/14/2005
From:
Status: offline 		I see. Thanks for the info ;)

(in reply to stevens)
 
 
Post #: 16
 
 
 
 

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