HP Hitachi Dynamic Link Manager Software - Manual (Page 155)

3. Creating an HDLM Environment
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3.3 HDLM Installation Types
This subsection describes the following types of HDLM installation: new installation,
upgrade installation, and re-installation.
New installation of HDLM:
Installing HDLM on a server on which HDLM has not been installed is called a
new installation of HDLM.
Upgrade installation of HDLM:
Installing a new version of HDLM without uninstalling the existing old version is
called an upgrade installation of HDLM.
Re-installation of HDLM:
Installing the same version of HDLM, to restore the existing version, without first
uninstalling that version is called a re-installation of HDLM.