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Please see this link : Certificate issue on remote desktop

I have 2 PCs with Windows 7 Ultimate... (both are in NETHOME)
PC 1 : computer name = alfa -> (main pc) , IP =
PC 2 : computer name = beta-lap ->(laptop) , IP =
connection type : cross cable ...

When I want to remote one of these PC's from the other, I get the below error:

Full Title :  
Remote Desktop Connection    
Body Text :  
The remote computer could not be authenticated due to problems with its security certificate. It may be unsafe to proceed.

Certificate name

Name in the certificate from the remote computer:


Certificate errors

The following errors were encountered while validating the remote computer's certificate:

The certificate is not from a trusted certifying authority.

Do you want to connect despite these certificate errors?

Don't ask me again for connections to this computer 

I can bypass it by checking despite these certificate errors and view the remote computer, but is this normal?

how can i fix this issue?
Besides why do I have an attention icon on both network connection icons in system tray of both PCs?
What is the problem about this little network?

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Where did you get this certificate from? If you inspect the certificate, what is the CN in it? – wolfgangsz Jun 17 '11 at 11:49
dear @wolfgangsz thanks for comment : both of them have this certificate error ... -> what is CN? – MoonLight Jun 17 '11 at 11:51
CN is the common name that this certificate was issued for. It should be the fully qualified host name of the machine using it. – wolfgangsz Jun 17 '11 at 11:52
where can i find it? – MoonLight Jun 17 '11 at 11:55
i installed both certificate on both machines in trusted ... / but still have this issue! and what about the attention icon? – MoonLight Jun 17 '11 at 12:04

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