Single-user Mode (-1)

Use Single-user Mode (-1) with an OpenEdge executable module to start OpenEdge in single-user mode. In this mode, only one user can access the database.

Operating system and syntax UNIX / Windows -1
Use with Maximum value Minimum value Single-user default Multi-user default
Client Connection

The PRO command invokes the OpenEdge executable with -1 by default, but only for the first database named on the command line. Each additional database must already have a server running in multi-user mode, unless -1 is added to its parameter list. In the following example, db1 and db3 are connected in single-user mode; db2 is connected in multi-user mode:

pro db1 -db db2 -db db3 -1