AIR application installation issue on MAC

Hi,

We have run into a release blocker issue and need urgent assistance from the Adobe AIR team.

We recently updated our code signing certificate because of company name change. We code signed the AIR application with the new code signing certificate and then applied the migration signature of the previous certificate. The App.air is then packaged as native installer for MAC OS (App.dmg) and on Windows (App.exe).

Command used

adt -migrate -storetype pkcs12 -keystore MigrationCertificate.pfx -storepass xxxxx app_beforemigrate.air App.air

adt -package -target native App.dmg App.air

Issue -

Application updates work fine on windows but fails on MAC OS.

This is the error I see in the log files

"The certificate of the installed app fails to match either the signature or migration signature of the AIR file. Installer end with exit code 9."

Please let me know if this is a known issue on MAC or there is something I have missed.

Thanks,