I have a customer who recently had some issues with delayed inbound/outbound email issues. Client disabled a third party application, and reclaim disk space for C drive, and it seems like the delayed email issues are gone, however, client is experiencing the following
The current issue seems to be resolved, however on the server the c:\PF\MS\Exch\V15\TransportRoles\data\Queue\mail.que file is stuck at 7GB
I have tried stopping and starting transport service, but not rebooting the server.
Client is using two MBXs servers in a DAG, and two CAS servers