This maintenance release of PKI Appliance and SignServer Appliance 3.4.4 brings a new updated version of SignServer Enterprise.


SignServer Enterprise 5.3.0

The SignServer Enterprise 5.3.0 release brings support for APPX and Domain Name System Security Extensions (DNSSEC) signing.

For more information, refer to the SignServer 5.3 Release Notes.


The initial auto-generated TLS certificates are now updated to use the X.509 V3 certificate standard.

Upgrade Information

For important upgrade information and limitations to be aware of, review the PKI Appliance 3.4 Upgrade Notes.