Exchange disaster and recovery

Disaster recovery:

Data center level

Disaster recovery data center

Master / standby: timing synchronization

Double active activity: timing & real-time

Cross-site DAG

DAG copy: 3 copies are recommended, one of which is in the disaster recovery data center

Disaster preparedness and recovery

Database & backup of server

In Exchange-database backup

Backup Messa

Log clipping

Exchange server-recovery model installation

Backup and recovery tools

Windows server backup

The third party

Exchange consider

Message object:

Restore in deleted messages

User properties and database properties

Mail archiving

Archive mailboxes: configure retention policies and define archive mailbox databases

Third party: log mailbox litigation retention: large amount of storage space + original mail needs to be searched through mailboxes and search permissions to find through import and export user mailboxes as PST files to achieve regular backup-cautious use of databases: backup and recovery servers: highly available and restore installation mode sites Disaster recovery data center solution Windows server backup Dial-Tone for data recovery of a user's mailbox in a specified database creates a Dial-Tone recovery database when the database fails to set up the user's mailbox to merge the contents of the database using the recovery database