If exchange server database is corrupted due to Logical Corruption then use inbuilt Eseutil utility to fix exchange server database.

Use following command to effective and easily resolve logical files corruption issue.
See some important command line of Eseutil.exe.

Eseutil/D - ESEUTIL /d <database name> [options] - Performs off-line compaction of a database.
Eseutil/P - ESEUTIL /p <database name> [options] - Repairs a corrupted or damaged database
Eseutil/C - ESEUTIL /c[mode-modifier] <path name> [options] - Restore information and completion
Eseutil/R - ESEUTIL /r <3-character logfile base name> [options] - Performs recovery, bringing all databases to a clean-shutdown state
Eseutil/G - ESEUTIL /G database_filename.edb - Verifies the page level and Extensible Storage Engine (ESE) level
Eseutil/M - ESEUTIL /m mode-modifier file_name [options] - To view the header of database files and page headers
Eseutil/K - ESEUTIL /K "c:\program files\exchsrvr\mdbdata\pub1.stm" - Command line to checksum an ESE database, streaming database, transaction log, or checkpoint file.
Eseutil/Y - ESEUTIL /Y \\server1\d$\priv1.edb /D\\server2\d$\priv1.edb - copy the priv1.edb file from sever1 to server2

In case you are unable to resolve issue by inbuilt utility then use edb repair tool. For more help read - http://www.mailbox.exchangerecoverytools.org

Easily fix exchange server database which is corrupted due to improper server shutdown, power issues, JET errors, drive errors, corrupt header errors, server down issues, and server crash incidents etc by edb recovery software. It is more effective and useful application. For more detail read http://www.nucleusdatarecovery.org/exchange-server-edb-recovery.html