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Startup Command and Parameter Reference
Startup Parameter Descriptions : Maximum Dynamic Server (-maxport)

Maximum Dynamic Server (-maxport)

Use Maximum Dynamic Server (-maxport) to specify the highest port number in a specified range of port numbers accessible to a client.
Operating system and syntax
UNIX / Windows
-maxport n
Use with
Maximum value
Minimum value
Single-user default
Multi-user default
Database Server
System dependent
System dependent
The port number that is the highest in a specified range.
You specify the lowest port number with the Minimum Dynamic Server (-minport) parameter. The range of port numbers defined by the Maximum Dynamic Server (-maxport) and Minimum Dynamic Server (-minport) parameters provides client access to an OpenEdge server that is behind a firewall. Some operating systems choose transient client ports in the 32,768-to-65,535 range. Choosing a port in this range might produce unwanted results.