Serial Number Validation issue for Acrobat XI Pro software

[Srinivas TSS]

 have Acrobat XI Pro key, but I am unable to validate that one. When I chat with adobe executive, he suggested that, Kindly visit the Adobe forums and post your query there. You may find an available solution for this concern. Anyone Please let me how to validate my key

[Test Screen Name]

What do you mean "unable to validate"? Does it say the number is "revoked", for example? Or that it is "invalid"? Or "too short"? Or "too many activations"? Or "No qualifying product found"? Or something else. Tip: DO NOT SHARE THE KEY WITH ANYONE IN THE FORUMS. The world can see and steal it.