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Need to force a Timeout

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Need to force a Timeout - 4/30/2008 2:58:12 AM   
  cshiers

 

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Joined: 4/28/2005
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Status: offline 		Hey, I am writing a script to connect to several computers to collect information through WMI. I am finding that certain computer in the list are cause the script to hang when trying to connect to it. Is there a way to force a timeout to occur on the get opject function. Or Atleast get it to skip a line of code after a certain amount of time?

The line it is getting stuck on is:

Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" & objComp & "\root\cimv2")
 
 
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RE: Need to force a Timeout - 4/30/2008 3:00:40 AM   
  cshiers

 

Posts: 24
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Joined: 4/28/2005
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Status: offline 		Or is there a way I can run a check against the remote computer first to ensure I can connect to it?

(in reply to cshiers)
 
 
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RE: Need to force a Timeout - 4/30/2008 3:05:55 AM   
  ebgreen


Posts: 4613
Score: 31
Joined: 7/12/2005
Status: offline 		Search the forum for Ping Test.

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Goog places to start:http://www.visualbasicscript.com/m_24727/tm.htm
http://www.visualbasicscript.com/m_47117/tm.htm

(in reply to cshiers)
 
 
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RE: Need to force a Timeout - 4/30/2008 3:19:53 AM   
  dm_4ever


Posts: 2220
Score: 32
Joined: 6/29/2006
From: Orange County, California
Status: offline 		A ping test is a quick way to determine if you should even attempt a WMI connection.

Using SWbemLocator.ConnectServer instead of winmgmts to connect via WMI gives you the ability to specify a timeout...though you only have two options...  forever or 2mins; however if WMI is corrupted then even this won't help.

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(in reply to cshiers)
 
 
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RE: Need to force a Timeout - 4/30/2008 3:34:08 AM   
  cshiers

 

Posts: 24
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Joined: 4/28/2005
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Status: offline 		I am able to ping the machine, and ping test returns a -1.

DM, here is a bit of a 'tool' question. What would the code be to use SWbemLocator.ConnectServer? I can take a two minute timeout if it works.

(in reply to dm_4ever)
 
 
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RE: Need to force a Timeout - 4/30/2008 3:42:35 AM  1 votes
  dm_4ever


Posts: 2220
Score: 32
Joined: 6/29/2006
From: Orange County, California
Status: offline 		http://msdn.microsoft.com/en-us/library/aa393720(VS.85).aspx

      

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dm_4ever

My philosophy: K.I.S.S - Keep It Simple Stupid
Read Me: http://www.visualbasicscript.com/m_24727/tm.htm
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(in reply to cshiers)
 
 
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RE: Need to force a Timeout - 4/30/2008 5:00:50 AM   
  cshiers

 

Posts: 24
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Joined: 4/28/2005
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Status: offline 		Cheers. Thanks DM. Seems to work now with out hanging.

I've seen this connection string before but didn't realize it was the same as the other way. I will probably use this method from now on.

(in reply to cshiers)
 
 
Post #: 7
 
 
 
 

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