https://support.servicenow.com/kb/kb?id=kb_article_view&sysparm_article=KB0820000
Unable to add multiple knowledge bases to Most Useful OOB function - Support and Troubleshooting -...
In KBPortalServiceImpl script include , trying to customize most useful articles method but since it is using OOB script include...
multiple knowledge basessupport and troubleshootingunableadduseful
https://mtgsked.com/p/38666/s
Hidden Opportunity: The advantages of synchronizing multiple knowledge bases.
Session details for Hidden Opportunity: The advantages of synchronizing multiple knowledge bases.
multiple knowledge basesthe advantageshiddenopportunitysynchronizing