Fortigate DC Replication RPC port 135 Session-Helper

Symptom:

DC replication fails between disparate networks.

The Fortigate session helper tries to intercept and control this service

Solution:

con sys session-helper

show

Look for these other two entries

edit 17
set name dcerpc
set protocol 6
set port 135
next

edit 18
set name dcerpc
set protocol 17
set port 135

delete 17

delete 18

end