RPC Server is Unavailable Error Trying to View Remote Event Log

When connecting to a remote machine with Event Viewer from one Windows 7 machine to another I get the following error:

Event Viewer cannot connect to computer 'workstation.mydomain.local'. The error reported is: The RPC server is unavailable.

This is happening with all of our Windows 7 machines.  I have checked and the RPC service is running on the remote machines.

I can connect from a Windows 7 machine to an XP machine and view the remote event log.
richnDirector of Information ServicesAsked:
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Few things to check:
1. Firewall.  Is the local firewall on the Win7 machine turned on.
2. Group Policy.  Does your org have a firewall preventing access.  Most orgs have this enabled and need to open up ports to allow connection.

Win7 handles a lot of the traffic/support differently through AD policies and AppLocker settings.  

Also, I'm not sure of your orgs build process.  Double check the computer name, etc.  I have seen this error when computers are coming out of sysprep and the network is expecting a diff name.
Can you browse the Admin Shares on any of the machines you cannot manage via eventvwr.msc?  
richnDirector of Information ServicesAuthor Commented:
We do have some firewall settings controlled through group policy.  Most of the settings are left at the default settings.  We have the same policy applied to our XP and Windows 7 machines.  I had sort of guessed that it might be a firewall issue.  I was hoping someone might be able to tell me which ports/services to start unblocking.  I'm not sure what is blocked in Windows 7 that was open in XP.
richnDirector of Information ServicesAuthor Commented:
I found it.

There are three new firewall entries that all begin with "Remote Event Log Management".  I enabled those for the Domain Profile through group policy and now it is working.

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richnDirector of Information ServicesAuthor Commented:
I found the solution myself.
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