Rename computer name with .NET

Question

I am trying to rename a computer name from a C# application.

public class ComputerSystem : IComputerSystem
{
    private readonly ManagementObject computerSystemObject;

    public ComputerSystem()
    {
        var computerPath = string.Format("Win32_ComputerSystem.Name='{0}'", Environment.MachineName);
        computerSystemObject = new ManagementObject(new ManagementPath(computerPath));
    }

    public bool Rename(string newComputerName)
    {
        var result = false;

        var renameParameters = computerSystemObject.GetMethodParameters("Rename");
        renameParameters["Name"] = newComputerName;

        var output = computerSystemObject.InvokeMethod("Rename", renameParameters, null);

        if (output != null)
        {
            var returnValue = (uint)Convert.ChangeType(output.Properties["ReturnValue"].Value, typeof(uint));
            result = returnValue == 0;
        }

        return result;
    }
}

The WMI call returns error code 1355.

MSDN doesn't mention much about error codes, what does it mean and how can I fix it?

Is the computer you're tring to rename in an Active Directory environment? — Dan Drews
– Dan Drews, Commented Apr 25, 2015 at 15:08
This may be of some interest to you: social.msdn.microsoft.com/Forums/vstudio/en-US/… — Drew Kennedy
– Drew Kennedy, Commented Apr 25, 2015 at 15:10

Roman Starkov · Accepted Answer · 2015-04-25 15:09:12Z

4

Error code 1355 means ERROR_NO_SUCH_DOMAIN: "The specified domain either does not exist or could not be contacted.".

The documentation for the Rename method states that the name must contain the domain name. For a non-domain-joined machine, try .\NewName instead of just NewName.

answered Apr 25, 2015 at 15:09

Roman Starkov

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1 Comment

bas Over a year ago

Thanks for the link to system errors! Bookmarked it, that'll be helpful the coming days. And thanks for solving my problem too (I am testing on a domain PC, but the program will run on non-domain PCs in the end, I'll figure something out)

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