When you create queries on the Forensics tab in QRadar Incident Forensics, spaces that are automatically added to Boolean searches might cause no results to be returned.
When you run queries in the Recovery window, spaces are sometimes added both before and after brackets in Boolean search strings:
---- Case:mrsRestricted AND ( Collection10.10.10.10_Frost OR Collection:10.10.11.10_Frost OR Collection:10.11.10.10_Frost )
If you search on certain columns, such as WebCategory, no results are returned.
Also, when Boolean queries are added for columns that do display results, when you click next page, you might not see any search results.
Resolving The Problem
To work around this issue, remove the spaces in the query that are created by the Recovery window.
Where do you find more information?
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16 June 2018