For confirmed bugs, please report:

• Version: 7.8.1 (reported since 7.4.0)
• Operating System: -
• Discuss Forum URL: https://discuss.elastic.co/t/winlogbeat-error-during-setup/244093
• Steps to Reproduce:

Run:

winlogbeat export index-pattern -E migration.6_to_7.enabled=true

It fails with:

Error generating Index Pattern: field <user.domain> is duplicated.