Unable to access public folders moved to a different mailbox Content provided by Microsoft Applies to: Exchange Server 2016 Enterprise EditionExchange Server 2016 Standard EditionExchange Server 2013 EnterpriseExchange Server 2013 Standard EditionExchange Online More Select Product Version All Products PROBLEM When you move public folders to a different public folder mailbox, you experience one of the following symptoms:Users are unable to access public folders that are located in the target mailbox during the move. Users are unable to access public folders during the move because their primary public folder hierarchy mailbox is the target mailbox. CAUSE The target mailbox is locked during the public folder move. STATUS This is a known issue. We're investigating and will post more information in this article when it becomes available. MORE INFORMATION For more information, see Move a public folder to a different public folder mailbox.Still need help? Go to Microsoft Community or the Exchange TechNet Forums. Last Updated: 29 Dec 2016 Did this solve your problem? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.