1. SSL renegotiation using the SSLv3 protocol is not supported on the back end of an SDX FIPS appliance.
  2. 1024-bit and 4096-bit keys and an exponent value of 3 are not supported.
  3. Backup and restore is not supported.
  4. Cluster and administrative domains are not supported.
  5. You can attach only one FIPS partition to an instance.
  6. An instance with a FIPS partition can be assigned only one CPU core.
  7. You can assign either a FIPS partition or an SSL core to an instance, but not both.