WMI: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA) throws when try to connect to remote machine

c# .net wmi
vasyl picture vasyl · Jan 11, 2011 · Viewed 21.5k times · Source

I'm using the following code to connect to remote machine using WMI:

   ConnectionOptions connOptions = new ConnectionOptions();
            connOptions.Impersonation = ImpersonationLevel.Impersonate;
            connOptions.EnablePrivileges = true;
            connOptions.Username = "admin";
            connOptions.Password = "password";
            ManagementScope scope = new ManagementScope(String.Format(@"\\{0}\ROOT\CIMV2", remoteMachine), connOptions);
            scope.Connect();

I'm getting the following exception: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)

Checked all steps described in this knowledgebase article, everything is OK on remote machine.

User is Administrator on remote machine.

Tried Wbemtest tool, the same result

Does anyone has an idea what is happening?

Answer

Nickolodeon picture Nickolodeon · Jan 11, 2011

If you under Win7 you must run app as an administrator. You can also try different values for connOptions.Impersonation property. Did you open RPC port on a remote machine? Try turning off firewall altogeter on both machines.

Related questions

How to solve '...is a 'type', which is not valid in the given context'? (C#)

The following code produces the error: Error : 'CERas.CERAS' is a 'type', which is not valid in the given context Why does this error occur? using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WinApp_…

Read More
How to get CPU temperature?

I need to gather some system's information for the application I'm developing. The memory available and the CPU load are easy to get using C#. Unfortunately, the CPU temperature it's not that easy. I have tried using WMI but I …

Read More
Detecting USB drive insertion and removal using windows service and c#

Looking into possibility of making an USB distributed application that will autostart on insertion of an USB stick and shutdown when removing the stick Will use .Net and C#. Looking for suggestion how to approach this using C#? Update: Two …

Read More