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C# get a list of programs instatlled on a remote machine (Add/Remove Programs)?
Posted on 2014-11-27
Hi,
I am looking at a good way I can interrogate remote machines to work out what software is installed
in Add/Remove programs via C#.
The issue is the various methods return different results.
Some people say don't use Win32_product. Some were saying this is bad for performance.
However the other methods don't seem to return the correct count.
Here are some interesting results....
Add/Remove control panel applet - 108 programs installed
Now compare this to the various methods:
select * from win32_product - 186 items.
select * from Win32reg_AddRemovePrograms
select * from Win32Reg_AddRemovePrograms
So why is there such a variance - I would of thought they should be *exactly* the same if not
close.
What are other peoples thought on the best method?
Why such a variance?
If I don't mind a performance hit is there anything wrong with using Win32_product?
Thanks,
Ward.
I am looking at a good way I can interrogate remote machines to work out what software is installed
in Add/Remove programs via C#.
The issue is the various methods return different results.
Some people say don't use Win32_product. Some were saying this is bad for performance.
However the other methods don't seem to return the correct count.
Here are some interesting results....
Add/Remove control panel applet - 108 programs installed
Now compare this to the various methods:
select * from win32_product - 186 items.
select * from Win32reg_AddRemovePrograms
select * from Win32Reg_AddRemovePrograms
So why is there such a variance - I would of thought they should be *exactly* the same if not
close.
What are other peoples thought on the best method?
Why such a variance?
If I don't mind a performance hit is there anything wrong with using Win32_product?
Thanks,
Ward.
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5 Comments
Active 3 days ago
Win32_product shows only MSI installer products. Software using their own installer won't show.
Try to list it with an internal process and capture the output of
wmic product list brief
Try to list it with an internal process and capture the output of
wmic product list brief
Active 4 days ago
Hi,
Thanks for your response.
Can you clarify what you mean when you say:
Try to list it with an internal process and capture the output of
wmic product list brief
So are u saying I should be capturing the output of:
wmic product list brief
Thanks,
Ward.
Thanks for your response.
Can you clarify what you mean when you say:
Try to list it with an internal process and capture the output of
wmic product list brief
So are u saying I should be capturing the output of:
wmic product list brief
Thanks,
Ward.
Active 3 days ago
Yes, in VB it's like this:
Dim p As ProcessStartInfo = New System.Diagnostics.Process
You can probably easily translate this to C#, and then capture the output (each line is a software product, only the name)? That's all.
Dim p As ProcessStartInfo = New System.Diagnostics.Process
You can probably easily translate this to C#, and then capture the output (each line is a software product, only the name)? That's all.
Active today
select * from win32_product is extremely slow because it does a consistency check of the installed .msi packages.
http://csi-windows.com/toolkit/288-win32product-wmi-class-replacement
Query the registry is lightning fast (example given is vb but it is simple to convert to c#
HKEY_LOCAL_MACHINE\SOFTWAR
http://support.microsoft.com/kb/821775
http://csi-windows.com/toolkit/288-win32product-wmi-class-replacement
Query the registry is lightning fast (example given is vb but it is simple to convert to c#
HKEY_LOCAL_MACHINE\SOFTWAR
http://support.microsoft.com/kb/821775
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