When you import the SVA ova file for the first time or to import newer version, the import fails.
In the UMC interface a red Error bar displays with the text "Invalid OVA file".
In the sis-server.log you also see the error:
[ERROR] [http-bio-4443-exec-3:58] CertPathValidatorException - timestamp check failed
java.security.cert.CertPathValidatorException: timestamp check failed
DCS 6.7 SVA OVA file is signed with a certificate that will expire in Jan 2017.
During import, this fails validation by the DCS Manager resulting in import failure and above error.
Update the DCS database to accept a 5 year validity certificate
sqlcmd –d <DATABASE NAME> -S <SERVER NAME OR IP>\SCSP -i c:\msde-svacert.sql
Example: sqlcmd -d scspdb -S WIN-M01DKIA09PN\SCSP -i c:\msde-svacert.sql
Import SVA OVA of 5 year validity