All RadControls for ASP.NET AJAX components fully support Windows Server 2008 as stated on our System Requirements page:
ASP.NET AJAX Controls - System Requirements
By just reading your description, I cannot determine the nature of the issues you are experiencing. It would be very helpful if you could share some additional details around the issues you are experiencing.
- What steps did you use to deploy your website?
- Is your WebSite using our CDN services?
- Can you send us a screenshot or two showing the glitches you are observing?
the Telerik team
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