Can Messenger be loaded in protected memory?

I am trying to load it in its own address space (for clustering purposes)
and it keeps returning the following eror message:
Agent configuration failure [0x8A10]
Cause: Function or Library not found.

This happens when loading it from the SYS volume or the clustered volume.

The same NCF works when loading it in non protected memory.

Messenger version 1.0.4
Server Version 5.60.04

Lindsay Dale.