Netcool/Precision for Transmission Networks 5.5 Administration Guide10
4. Manually change the environment variable $OMNIHOME.
5. Restart your Netcool products.

!!Attention: You must not move, copy, or delete executable or other required IBM Tivoli files

except as directed in the product documentation or by Tivoli Software Support.
New relational database
Netcool/Precision TN 5.5 uses a new relational database that consolidates topology data
from Netcool/Precision TN and from other Netcool products. Netcool for Asset
Management 2.0 populates this same database with network topology information for layer
2 and layer 3 networks, including ethernet, IP and MPLS networks.
Note: Upgrades are not possible from previous versions of Netcool/Precision TN to
version 5.5 due to the introduction of the new relational database. Remove any
previous installation of Netcool/Precision TN before you install Netcool/Precision
TN 5.5.