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Debugging ReturnValue = 8

Posted on 2014-02-27
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Last Modified: 2014-05-14
Hi,

I'm trying to use WMI to execute a command on a computer and it is giving me the following:


C:\temp>wmic /node:192.168.4.44 /user:capcom\ryu /password:haduken
process call create "release.exe /c [command]"
Executing (Win32_Process)->Create()
Method execution successful.
Out Parameters:
instance of __PARAMETERS
{
        ReturnValue = 8;
};


C:\temp>

I've done this a million times and never got an 8 value message. Any ideas on what the issue could be and how to fix it?


Thanks!
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Question by:tenchulyo
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Expert Comment

by:Qlemo
ID: 39893143
Isn't that value defined as valid return code of the command you call?
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Author Comment

by:tenchulyo
ID: 39893166
I looked it up and the definition is "One of the parameters to the call is not correct" so it is an error...just not sure what that means... I think the usuall is either 0 or 1... it is not working.
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LVL 69

Expert Comment

by:Qlemo
ID: 39894372
Is that the error message for "release.exe"? I cannot identify that particular EXE. And it is definitely the EXE itself returning 8.
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Author Comment

by:tenchulyo
ID: 39894804
No, it isn't. I 've tried with various .exe files including notepad.exe and I get the same result
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LVL 69

Expert Comment

by:Qlemo
ID: 39895073
Return code 8 for Win32_Process.Create is "Unknown failure" (see http://msdn.microsoft.com/en-us/library/aa389388(v=vs.85).aspx ). Very informative, indeed.

But http://blogs.msdn.com/b/alejacma/archive/2008/04/09/win32-process-create-fails-if-user-profile-is-not-loaded.aspx tells us more about a possible culprit: The user account used in the WMI call needs to have special privileges to allow for loading the user's registry hive, which are the Backup and Restore files and directories privs.
Or you make sure the user profile is active - for testing, you can perform a login with that user on the target machine, and then run wmic. It should work by then if loading the hive is the culprit.
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Author Comment

by:tenchulyo
ID: 39896328
Hmmm...I have the user set to administrator on that machine. And like I said...It worked before...Just stopped working...
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LVL 69

Expert Comment

by:Qlemo
ID: 39898426
Recheck the privs. You would expect they are there, but since something changed, you cannot be certain.
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Author Comment

by:tenchulyo
ID: 39901000
Yup, still in as an admin on that PC.
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Author Comment

by:tenchulyo
ID: 40008901
I guess I'm all alone on this one...
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Accepted Solution

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tenchulyo earned 0 total points
ID: 40053823
Forget It... I broke down and went to Visual Studio and built a solution from scratch...wmic sucks!
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Author Closing Comment

by:tenchulyo
ID: 40064002
No one had a better one...
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