Recently ive installed 5 Exchange server 2010 installed and when ever i click "New Exchange Certificate" it takes almost 15 mins to open a certificate wizard. It is happeneing in all servers. Any work around? Servers are configred with 32GB RAM/Dual Quad Core 2.4GHz/12*450GB 15K RPM disks

You can use new-exchangecertificate cmdlet, please refer to below link: http://technet.microsoft.com/en-us/library/aa998327.aspx

Is there any error event in the application log? Please run ExBPA against the exchange server for health check As for workaround, Suriya has provided a one by creating the certificate via EMSJames Luo TechNet Subscriber Support (http://technet.microsoft.com/en-us/subscriptions/ms788697.aspx) If you have any feedback on our support, please contact tngfb@microsoft.com

No Error and ExBPA was clean

Please increase the diagnostic logging level on the following categories, and check if there’re any related events: Management Console Remote ManagementJames Luo TechNet Subscriber Support (http://technet.microsoft.com/en-us/subscriptions/ms788697.aspx) If you have any feedback on our support, please contact tngfb@microsoft.com