License key of Adobe Acrobat Pro XI is invoked

[IT38865809v57i]

Hi, 

My compnay has license Acrobat Pro XI license with key 

However, we cannot activate with this key anymore, it show below information.

Do you have any acknowledge about this stuck? How I can fix it? 

Dear @Adobe: why we cannot use it anymore while we purchased it as perpetual license? 

Thank you.

Kenny.

[try67]

This is not Adobe Customer Support. We can't help.

You should contact Adobe directly for help with this issue, using one of these channels:
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