In alert update history, The alert "message" is not shown as a field that has changes

Document ID : KB000124443
Last Modified Date : 14/01/2019
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Introduction:
when viewing the alert details area, under Update History, there is no way to see the change in the alert message as updated alerts are received.
Background:
By default SOI will now skip writing of Summary, Message 
and RepeatCount alert updates to the AlertHistory table. 
You can enable changes by editing the soi manager config file.
Environment:
SOI 4.2
Instructions:
By default SOI will now skip writing of Summary, Message and RepeatCount alert updates to the AlertHistory table. If you want to keep writing changes of these attributes to the history table, add an entry like the following to SOI_HOME\jsw\conf\soi-manager.conf in the "Java Additional Parameters" section: wrapper.java.additional.XX=-DALERTHISTORY_SKIP_LIST="0" Replace XX with the next free sequence number, taking into account that the SOI HA kit may have added an additional Java parameter at the bottom of the file. It is also possible to use this parameter to define your own list of attributes to be skipped using a comma-separated list of integer attribute IDs. Alarm attribute IDs (in hex format) are found on the SOI manager's Alarm Table debug page when selecting any currently active alert. Restart the SOI manager after saving the changes.