I have a form that is digitally certified by a signature anchored to the Adobe CA. When the form is first opened, the blue bar appears and states that the certificate is valid. However, after the form is submitted to a server and remerged, the blue bar displays "The validity of the document certification is unknown". However the signature is still valid, as it can be revalidated by going to Sign -> Work with Certificates -> Validate all signatures in Adobe Acrobat XI. How can I stop this from happening?
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