Update on DigiNotar and the Adobe Approved Trust List (AATL)

We are in the process of removing the DigiNotar Qualified CA certificate from the Adobe Approved Trust List (AATL) and will post an update on this action tomorrow.

In the meantime, users can manually remove these certificates from Adobe Reader and Acrobat* by following these steps:
(*Note that the AATL is only supported in Adobe Reader and Acrobat versions 9 and X.)
 
Adobe Reader Version 9
1)   Open Adobe Reader.
2)   Open the Document Menu and choose Manage Trusted Identities.
3)   Drop down the ‘Display’ box that reads ‘Contacts’ and choose ‘Certificates.’
4)   Select the DigiNotar Qualified CA. If you do not see this certificate in the list, no further action is required.
5)   Click Delete, and then confirm the deletion by clicking OK.
  
Adobe Acrobat Version 9
1)   Open Adobe Acrobat.
2)   Open the Advanced Menu and choose Manage Trusted Identities.
3)   Drop down the ‘Display’ box that reads ‘Contacts’ and choose ‘Certificates.’
4)   Select the DigiNotar Qualified CA. If you do not see this certificate in the list, no further action is required.
5)   Click Delete, and then confirm the deletion by clicking OK.
 
Adobe Reader and Acrobat X
1)   Open Adobe Reader or Acrobat.
2)   Open the Edit Menu->Protection->Manage Trusted Identities.
3)   Drop down the ‘Display’ box that reads ‘Contacts’ and choose ‘Certificates.’
4)   Select the DigiNotar Qualified CA. If you do not see this certificate in the list, no further action is required.
5)   Click Delete, and then confirm the deletion by clicking OK.

This posting is provided “AS IS” with no warranties and confers no rights.

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