Consider the following scenario:
- You try to seed or reseed a mailbox database copy on a Microsoft Exchange Server 2010 mailbox server.
- The mailbox server is in the same Database Availability Group (DAG) as the source mailbox database.
- The source mailbox database has lots of log files. For example, there are more than 10000 log files in the mailbox database.
A source-side operation failed. Error An error occurred while performing the seed operation. Error: A timeout occurred while communicating with server Source Mailbox Server. Error: "A connection could not be completed within 15 seconds.". [Database: Source Mailbox Database, Server: Target Mailbox Server]A timeout occurred while communicating with server <Source Mailbox Server>. Error: "A connection could not be completed within 15 seconds."