Symptoms
When running an admin search request that includes a possible date within the query string, you get unexpected results if the date string is in a UK format (day/month/year). This doesn’t include the date property of the search query.
Examples:
Search-Mailbox -Identity User1 -TargetFolder SearchResults -TargetMailbox SearchUser -SearchQuery ‘attachment:”SEG 12 12 2019.txt”’
Search-Mailbox -Identity User1 -TargetFolder SearchResults -TargetMailbox SearchUser -SearchQuery ‘subject:”Born 12 12 2019 USA”’
Cause
This is a known issue in the word breaker.
Workarounds
Method 1:
Don’t use dates in the SearchQuery string.
Note You can still use dates for searchable date properties.
Method 2:
Break up the date with a wildcard.
Here are two examples showing how to use the wildcard:
Search-Mailbox -Identity User1 -TargetFolder SearchResults -TargetMailbox SearchUser -SearchQuery ‘subject:”Born 12 12 * 2019 USA”’
Search-Mailbox -Identity User1 -TargetFolder SearchResults -TargetMailbox SearchUser -SearchQuery ‘attachment:”SEG 12 12 * 2019 txt”’
