Owaproxy component is in Inactive State and will not successfully activate

ISSUE: My customer put their Exchange 2016 environment into maintenance mode so they could apply bitlocker to their drives. After applying bitlocker following the guidances outlined in the following article, they were not able to set the ServerComponentState to Active for OWA Proxy: https://blogs.technet.microsoft.com/exchange/2015/10/20/enabling-bitlocker-on-exchange-servers/ The customer runs the following command to see whether the state…

5

Mail not routing to on-premise Exchange 2013 environment from O365 with 450 4.7.320 Certificate validation failed error

Issue: User is trying to send email from his O365 Tenant in to the OnPrem Exchange 2013 environment. The email fails with the following reason (as seen in the message tracking logs in O365: Reason: [{LED=450 4.7.320 Certificate validation failed};{MSG=SubjectMismatch};{FQDN=hybrid.domain.com};{IP=###.###.###.###};{LRT=4/14/2017 1:07:17 PM}]. OutboundProxyTargetIP: ###.###.###.###. OutboundProxyTargetHostName: hybrid.domain.com Cause: We found that the certificate it was trying…

2

Email destined for recently moved Modern Public Folders are going to the Poison queue.

Scenario I recently worked a case where the customer had moved all of the public folders from one Modern Public Folder mailbox to another and deleted the old Public Folder mailbox. This was on Exchange 2013 CU9. After he did that, email destined for what were previously mail-enabled Public Folders started to show up in the…


1007 AccessDenied: Access Denied when trying to renew Federation Certificate

The 1007 AccessDenied event is usually tied to a time skew issue and that should always be confirmed before proceeding, however, that is also the error you will get when you try to renew a federation certificate in Exchange, when the old certificate has already exceeded the expiration date. Scenario I am trying to replace…