Upgrade is not seeing previous version of installed product

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

Tried to upgrade but its not recognizing the current version installed.

Environment

Release : 20.1

Component : CAUIM

Resolution

Look at the .com.zerog.registry.xml file. Located in /var on Linux or C:\Program Files\Zero G Registry on Windows (both hidden). In this case the file had both entries listed below (bold being 9.0.2 and non-bold 9.2.0):

  <product name="CA Unified Infrastructure Management Server" id="ee49becc-1efa-11b2-8aab-f7901e5f1358" upgrade_id="ee49becc-1efa-11b2-8aab-f7901e5f1358" version="9.0.2.0" copyright="2018" info_url="http://www.ca.com" support_url="http://support.ca.com" location="C:\Program Files (x86)\Nimsoft" last_modified="2019-10-18 15:39:35">
  <![CDATA[CA Unified Infrastructure Management Server Monitoring Product]]>
   <vendor name="CA" id="aaf65b03-1efa-11b2-8e03-f7901e5f1357" home_page="http://www.ca.com" email=""/>
   <feature short_name="Application" name="Application" last_modified="2019-10-18 15:39:35">
   <![CDATA[This installs the application feature.]]>
    <component ref_id="3554f52a-1efa-11b2-9a53-f7901e5f1357" version="5.1.0.0" location="C:\Program Files (x86)\Nimsoft\_ca_uimserver_installation\uninstall.exe"/>
    <component ref_id="3554f52b-1efa-11b2-9a53-f7901e5f1357" version="1.0.0.0" location="C:\Program Files (x86)\Nimsoft\_ca_uimserver_installation_bundled_jre"/>
    <component ref_id="3554f52a-1efa-11b2-9a52-f7901e5f1357" version="1.0.0.0" location="C:\Program Files (x86)\Nimsoft\build\uimserver_build_info.txt"/>
    <component ref_id="00885e78-1f22-11b2-863a-c1fda5f1d616" version="1.0.0.0" location=""/>
   </feature>
  </product>
  <product name="DX Infrastructure Manager Server" id="ee49becc-1efa-11b2-8aab-f7901e5f1358" upgrade_id="d7c8961d-1f44-11b2-9a3f-acf3e8fdedd3" version="9.2.0.0" copyright="2020" info_url="" support_url="" location="C:\Program Files (x86)\Nimsoft" last_modified="2020-06-17 14:55:14">
  <![CDATA[]]>
   <vendor name="" id="d7c8961d-1f44-11b2-83b2-acf3e8fdedd3" home_page="" email=""/>
   <feature short_name="Application" name="Application" last_modified="2020-06-17 14:55:14">
   <![CDATA[This installs the application feature.]]>
    <component ref_id="3554f52b-1efa-11b2-9a53-f7901e5f1357" version="1.0.0.0" location="C:\Program Files (x86)\Nimsoft\_ca_uimserver_installation_bundled_jre"/>
    <component ref_id="3554f52a-1efa-11b2-9a53-f7901e5f1357" version="5.1.0.0" location="C:\Program Files (x86)\Nimsoft\_ca_uimserver_installation\uninstall.exe"/>
    <component ref_id="3554f52b-1efa-11b2-9a53-f7901e5f1357" version="1.0.0.0" location="C:\Program Files (x86)\Nimsoft\_ca_uimserver_installation_bundled_jre_9_2_0"/>
    <component ref_id="3554f52a-1efa-11b2-9a52-f7901e5f1357" version="1.0.0.0" location="C:\Program Files (x86)\Nimsoft\build\uimserver_build_info.txt"/>
    <component ref_id="00885e78-1f22-11b2-863a-c1fda5f1d616" version="1.0.0.0" location=""/>
   </feature>
  </product>

Since both are there it is confusing the upgrade process. Removing the bolded section listed above in this instance will allow the upgrade to determine that the last version installed was 9.2.0.