[DllImport("advapi32.DLL", SetLastError = true)] public static extern int LogonUser(string lpszUsername, string lpszDomain, string lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken); IntPtr admin_token = default(IntPtr); WindowsIdentity wid_admin = null; WindowsImpersonationContext wic = null; //在程序中模拟域帐户登录 if (WinLogonHelper.LogonUser("uid", "serverdomain", "pwd", 9, 0, ref admin_token) != 0) { using (wid_admin = new WindowsIdentity(admin_token)) { using (wic = wid_admin.Impersonate()) { //假定要操作的文件路径是10.0.250.11上的d: xt.txt文件可以这样操作 FileInfo file = new FileInfo(@"\10.0.250.11d$ xt.txt"); //想做什么操作就可以做了 } } }