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I need to collect baseline performance data on a SQL Server running on Windows Server 2008 R2. When I open perfmon on my computer running Windows 7 and try to add counters from the remote server, I receive an error stating "Unable to connect to the machine."

I can ping the server, and I can connect using Remote Desktop.

In addition to the perfmon issue, I cannot browse shares (e.g. \uncpath\c$), connect to the remote registry, or connect to port 445 over telnet.

I'm on the same subnet as the server, and the Windows Firewall is turned off on both the server and my computer.

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It may seem obvious, but have you verified there's actually something listening on the target machine? (do connections work from localhost? Does netstat show listeners where you expect them?) -- Assuming everything else you're reporting is accurate the only reason I can think of that you can't connect to this host is that it's not listening... – voretaq7♦ Dec 22 '11 at 20:29
Doesn't perfmon use RPC or ADMIN$ shares to poll it's data? Is RPC blocked somehow? – Tim Dec 22 '11 at 21:41
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@voretaq7 netstat -ao shows the Service process is listening on TCP 445. When logged into the server, I can establish a connection by typing telnet localhost 445. – Rob D. Dec 22 '11 at 21:48
Any ipsec setting? – Remus Rusanu Dec 22 '11 at 22:24
@RemusRusanu There are no dynamic or static ipsec policies configured on the server (checked using netsh ipsec dynamic show all and netsh ipsec static show all). – Rob D. Dec 22 '11 at 22:33
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