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System requirements: Database mirroring

Item
Requirement
Microsoft SQL Server
BlackBerry UEM
supports database mirroring using one of the following:
  • Microsoft SQL Server
    2012
  • Microsoft SQL Server
    2014
SQL Server
Native Client
The
SQL Server
2012 Native Client must be installed on each computer that hosts a
BlackBerry UEM
instance. The
BlackBerry UEM
setup application installs the
SQL Server
2012 Native Client.
Version parity
The
Microsoft SQL Server
that hosts the mirror database must be the same version and edition as the
Microsoft SQL Server
that hosts the principal database.
Single data center
The principal and mirror database must be located in the same data center.
Database location
Create the mirror database on a different computer than the principal database.
Operating mode
Configure database mirroring using high-safety mode with automatic failover.
Witness
A witness server is required for automatic failover. The witness must be a different server than the principal server and the mirror server.