In previous windows version, there is no problem to access the c$ or admin$ if the access account has the previledges on remote computer, but this doesn't work under windows server 2008.Any advice on how to access it? any configuration on the2k8 side?thanks,

Please disable the Firewall on Windows 2008 and check, It should work and always remember to post the error message you get because its sometime hard to tell analyze the problem.Thanks Syed Khairuddin

thank you for the reply.The firwall service is disabled on win2k8.The error happens when trying to add a remote hyper-v host machine into the virtual machine manager 2008management console.Error (415)Agent installation failed copying C:\Program Files\Microsoft System Center Virtual Machine Manager 2008\agents\I386\2.0.3444.0\msiInstaller.exe to \\hyperv01\ADMIN$\msiInstaller.exe. I tried to connect the administrative share admin$, but access was denied, this won't happen if it is win2k3.thanks, jerry

Try disabling UAC. Here's a script that should be able to do this:http://badzmanaois.blogspot.com/2008/10/how-to-disable-user-account-control-in.htmlRegards,Salvador Manaois III MCSE MCSA CEH MCITP | Enterprise/Server Admin Bytes & Badz : http://badzmanaois.blogspot.com

Based On Search I have found the Solutions which might help you.http://blogs.technet.com/chengw/archive/2008/07/30/what-else-can-i-do-when-my-host-is-in-not-responding-state.aspx1. Ensure IDC-HVH-01.copaair.com is online and not blocked by a firewall. 2. Ensure that there is sufficient free space on the system volume. 3. Verify that the ADMIN$ share on IDC-HVH-01.xxxxxx.com exists. If the ADMIN$ share does not exist, reboot IDC-HVH-01.xxxxxx.com and then try the operation again.Syed Khairuddin

Salvador Manaois III said: Try disabling UAC. Here's a script that should be able to do this:I had the same problem. The real Adminstrator useridcould access shares on 2k8 but another user in the adminstrator group could not. Always got access denied. I dropped the firewall and that did not help. Turning off UAC worked like a champ! DaveDave

FWIW, this same issue occurs in Windows 7 beta. Seems very wrong that MSFT would disable administrative shares when UAC was enabled since there is a userid and password supplied from the other system trying to access them! My setupis a workgroup btw...Dave