How to find available space on a UNC path \\serverName\.....etc. in c#

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I am writing an application that would go to a UNC to determine the space avaialble, I don't how how to do this, I don't think DriveInfo class would do it because it expects a real drive name. Keeping in mind that mapping that UNC to the local server to a network drive is not an option here. Thanks in advance. Please feel free to be details as I am new in c# and in this subject in particular.

Posted 5-Jul-12 9:26am

Member 8714829

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Tim Corey · Answer 1 · 2012-07-05T09:30:00

Solution 1

Personally, I have not done this directly, but this Stack Overflow question has two possible solutions for you:

http://stackoverflow.com/questions/2050343/programmatically-determining-space-available-from-unc-path[^]

The accepted answer might map a path, but I don't think it has to in order to work. The other solution also looks like it could work.

Posted 5-Jul-12 9:30am

Tim Corey

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Member 8714829 5-Jul-12 18:22pm

some good progress, thanks for the reply, I get the following error: "The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)"
I think it has to do with permissions or needing to log into this unc first providing user id and password (??)

Tim Corey 5-Jul-12 18:32pm

That is entirely possible. This is a tricky process, since you are asking to access system-level data on a remote machine. The permissions have to be just right to do so. Can you log in as a domain admin just to test it? If it works, you know that permissions are the issue.

Member 8714829 5-Jul-12 18:48pm

Not sure if I can log in as Admin. but I personally have access (assigned to my user id) and able to get on that unc, but just to keep you posted, I did attempt to first impersonate the user that is given access to this unc, but still getting the same error. There must be something else or like u say maybe there is a need for admin rights....

EricF · Answer 2 · 2014-11-05T10:18:00

Solution 3

Use GetDiskFreeSpaceEx(...) in pInvoke

Posted 5-Nov-14 10:18am

EricF

Member 8714829 · Answer 3 · 2012-07-05T13:23:00

Solution 2

I figured that I may have to map the nas network drive then un map it when done (the reason why I came to this conclusion is mostly because the nas may not have a wmi installed on it), so the question now is how do I go about doing that?

Posted 5-Jul-12 13:23pm

Member 8714829