Rebuild the database index specified by exchange 2013
Sometimes it is impossible to search the contents of the database properly. This may be due to the failure of the index file. The index file is the folder we have seen in the same directory as the database file. There are three indexmeta Journal ms files below.
Stop two mail system services on the server
Stop-Service MSExchangeFastSearch
Stop-Service HostControllerService
Delete the files under the directory and restart the service to re-establish the index. Just in case, it can be stored separately under the directory.
Start-Service MSExchangeFastSearch
Start-Service HostControllerService
