1) Download SharePlex Manager binary files from Supportlink
https://support.quest.com/softwaredownloads.aspx?pr=268445175&pv=4294948129
2) Upgrade Foglight from Version 5.5.2 to version 5.5.8.
Follow Instrcutions in Foglight_Upgrade_Revision1.pdf located in Documentation folder of the install binary.
3) Upgrade SharePlex Manager.
Instructions in SharePlex_Manager_Install_Guide.pdf.
Note : Documents attached to the KB Article.