Resolved: Specify the valid certificate to authenticate Microsoft Dynamics Lifecycle Services System Diagnostic Service

This issue occurred as result of security update from Microsoft. Below is the KB number for the particular update.

KB2862973

As a result, when you try to use cert as explained in below link, you will get error:

Specify the valid certificate to authenticate Microsoft Dynamics Lifecycle Services System Diagnostic Service

or

Specify the valid certificate to authenticate

This would be for any application you are trying to connect to using the Cert.

Resolution:

1 - Go to Control Panel
2- Uninstall a program or Program and Features in case of win 2007
3- View installed update
4- Find the Correct KB as mentioned above under security updates
5- Uninstall
6- Create new certificate and put it in trusted Root ( start->mmc->file->Add/Remove Snapin) as shown in the Fig 1.0

Fig 1.0

OR

Please go to below link and download the fixed Package.

http://support.microsoft.com/kb/2862973

I hope it helps.