When trying to restore Encryption Management Server from a backup, the restore fails with an out of memory error.
The backup log contains an error similar to this:
Failed to decrypt backup archive "keys.example.com-backup-01-07-20-03-21-45.tar.gz.pgp": out of memory
In releases 3.4.2 MP1, 3.4.2 MP2, 3.4.2 MP3 and 3.4.2 MP4 the backup file is decrypted wholly in RAM and there is a 4 GB limit.
Symantec Encryption Management Server releases 3.4.2 MP1, 3.4.2 MP2, 3.4.2 MP3 and 3.4.2 MP4 with backup encryption enabled and backup sizes of 3 GB or above.
Upgrade to Encryption Management Server 3.4.2 MP5 or above.
If you cannot upgrade, there are three options to workaround this issue: