About MSDP unsupported configurations
The following items describe some configurations that are not supported:
NetBackup media server deduplication and Veritas Backup Exec deduplication cannot reside on the same host. If you use both NetBackup and Backup Exec deduplication, each product must reside on a separate host.
NetBackup does not support clustering of deduplication storage servers or load balancing servers.
Deduplication within each media server deduplication node is supported; global deduplication between nodes is not supported.