Windows 2008 R2 slave failed to connect via DCOM

Scenario:

          If we configure Windows 2008 R2 node to Jenkins, it fails to connect to the node.

Solution 1 :
      Try connect the node through JNLP, it'll connect.

Solution 2:
       If we want to connect through Windows service, please follow the steps.

1. If you see the below error,

        Access is denied. [0x00000005]
 at org.jinterop.dcom.core.JIComServer.init(JIComServer.java:542)
 at org.jinterop.dcom.core.JIComServer.initialise(JIComServer.java:458)
 at org.jinterop.dcom.core.JIComServer.<init>(JIComServer.java:427)
 at org.jvnet.hudson.wmi.WMI.connect(WMI.java:41)
 at hudson.os.windows.ManagedWindowsServiceLauncher.launch(ManagedWindowsServiceLauncher.java:107)
 at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:170)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
Caused by: rpc.FaultException: Received fault. (unknown)
 at rpc.ConnectionOrientedEndpoint.call(ConnectionOrientedEndpoint.java:142)
 at rpc.Stub.call(Stub.java:112)
 at org.jinterop.dcom.core.JIComServer.init(JIComServer.java:538)

2. Turned off the firewall (this could be configured correctly to be safer, but I didn't care since its in a firewalled "safe" part of the net)
4. Launch 'regedit.exe' as 'Administrator' 
5. Find the following registry key: 'HKEY_CLASSES_ROOT\CLSID{76A64158-CB41-11D1-8B02-00600806D9B6}' refer here
6. Right click and select 'Permissions' 
7. Change owner to administrators group. 
8. Change permissions for administrators group. Grant Full Control. 
9. Restart Remote Registry Service 
10. Restart the Windows machine.