FileInfo.Exists not reliable with UNC path

I want to determine if a UNC file exists. I create a FileInfo object, then call FileInfo.Exists. But it'll occasionally return false, even if the file actually exists.

How can I accurately determine i开发者_开发百科f a UNC file exists?

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You can't do this in a general sense, because as Ben mentions, you might not have ACLs to see if it exists. That being said, the best way to determine if a file exists (based on your scenario) is to attempt to open the file