EMC NetWorker 9.2.1 hotfixes
The current cumulative hotfix is NetWorker 184.108.40.206 It was released on February 1, 2018. Review the latest Cumulative 220.127.116.11 Readme for more details.
The NetWorker cumulative hotfixes are available @ ftp://ftp.legato.com/pub/NetWorker/Cumulative_Hotfixes/9.2.1/18.104.22.168/
Installation and De-installation Instructions
Binaries included as part of this hotfix may be identified using the "what" command on UNIX systems or by examining the file properties on Windows systems.
The installation and de-installation methods differ based upon the OS platform being used on the NetWorker Server.
You can refer the NetWorker Installation Guide or use EMC NetWorker SolVe Desktop (formerly known as the NetWorker Procedure Generator (NPG)). Both are available on the EMC NetWorker Support landing page at: https://support.emc.com/products/NetWorker
These give step-by-step guidelines on how to install the NetWorker Server software on different OS platforms.