The database copy was automatically suspended due to failure item processing. At '2017/1/12 4:32:09' the Exchange store database 'SAC-MBX04 (R&D)' copy on this server experienced a serious I/O error. For more details about the failure, consult the Event log on the server for other storage and "ExchangeStoreDb" events. The passive database copy has been suspended.
The Microsoft Exchange Replication service encountered an unexpected error in log replay for database 'SAC-MBX04 (R&D)\SAC-S-MAIL01'. Error MapiExceptionJetErrorDiskIO: LogReplayRequest rpc failed. (hr=0x80004005, ec=-1022) Diagnostic context: Lid: 47917 Lid: 64301 StoreEc: 0xFFFFFC02
A server-side administrative operation has failed. The database copy was partially resumed. A problem was encountered mounting the content indexing catalog: The seeding operation encountered an error while trying to contact the search service. Error: Microsoft Exchange Search Service may not be running on server SAC-S-MAIL01. Specific RPC error message: Error 0x6d9 (There are no more endpoints available from the endpoint mapper) from cli_Mount [Database: SAC-MBX04 (R&D), Server: SAC-S-MAIL01.sac-china.com]