If you connect to a remote computer in a different domain or using a different user name and password, then you must use a ConnectionOptions object in the call to the ManagementScope. ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query) įor more information on making WMI queries with the System.Management API in C#, see Retrieving WMI Class or Instance Data. ObjectQuery query = new ObjectQuery("SELECT * FROM Win32_OperatingSystem") ManagementScope scope = new ManagementScope("\\\\Computer_B\\root\\cimv2") Once you have connected, you can make your WMI query. If you are connecting to a remote computer using the same credentials (domain and user name) you are logged on with, then you only have to specify the WMI path. To connect to WMI remotely with C# (System.Management)Ĭreate a ManagementScope object, using the name of the computer and the WMI path, and connect to your target with a call to ManagementScope.Connect(). Remote connections for WMI v1 is accomplished through the ManagementScope object. WMI is intended to monitor the hardware and software on remote computers. It is generally recommended that you do not hardcode a password into your applications as the above code sample indicates, whenever possible try to query your user for the password, and store it securely. SessionOptions.AddDestinationCredentials(Credentials) ĬimSession Session = CimSession.Create(computer, SessionOptions) WSManSessionOptions SessionOptions = new WSManSessionOptions() For the complete code, see the sample at the bottom of this topic.ĬimCredential Credentials = new CimCredential(PasswordAuthenticationMechanism.Default, domain, username, securepassword) The following code sample describes creating a WSManSessionOptions class, filling it with the proper CimSessionOptions, and using it in a CimSession.Create call. If you wish to set the credentials for your connection, you will need to create and add a CimCredentials object to your CimSessionOptions. string computer = "Computer_B"ĭComSessionOptions DComOptions = new DComSessionOptions() ĭComOptions.Impersonation = ImpersonationType.Impersonate ĬimSession Session = CimSession.Create(computer, DComOptions) The following code sample describes using a DComSessionOptions object to set the Impersonation level to Impersonate. You can use either to set the options on your WS-Man and DCOM sessions, respectively. If you wish to set different options for your connection, such as different credentials, locale or Impersonation levels, you need to use a CimSessionOptions object in your call to CimSession.Create.ĬimSessionOptions is a base class for WSManSessionOptions and DComSessionOptions. IEnumerable queryInstance = mySession.QueryInstances(Namespace, "WQL", OSQuery) įor more information on making WMI queries with the API in C#, see Retrieving WMI Class or Instance Data. String Namespace = OSQuery = "SELECT * FROM Win32_OperatingSystem" ĬimSession mySession = CimSession.Create("Computer_B") Once you have the returned CimSession object, you can then make your WMI query. If you are connecting to a remote computer using the same credentials (domain and user name) you are logged on with, then you can specify the name of the computer in the Create call. To connect to WMI remotely with C# ()Ĭreate a session on the remote machine with a call to CimSession.Create. You can also set authority, impersonation, credentials, and other connection options. However, you can change both the computer, domain, and WMI namespace that you access. ![]() By default, a scope is bound to the local computer and the "Root\CIMv2" system namespace. WMI remote connections must comply with DCOM security requirements for impersonation and authentication. NET namespace used to access WMI however, the APIs in this namespace generally are slower and do not scale as well relative to their more modern counterparts.Ĭonnecting remotely using classes in the namespace uses DCOM as the underlying remote mechanism.
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