SAP Knowledge Base Article - Preview

2130831 - CST - Maximum number of connected terminals reached

Symptom

When users try to log on to the system it returns a popup:

Maximum number of connected terminals reached

The dispatcher developer trace (dev_disp) log the following WARNING:

*** WARNING => DpLogon: overflow of logon table

The syslog (SM21) log the following entry:

Q0P Maximum number of permitted terminal connections reached


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Environment

  • SAP NetWeaver 7.4
  • SAP NetWeaver 7.5
  • SAP NetWeaver Application Server 7.51 for SAP S/4HANA 1610 (SAP_BASIS 7.51)
  • SAP NetWeaver Application Server for ABAP 7.52 for SAP S/4HANA (SAP_BASIS 7.52)
  • ABAP PLATFORM 1809 - Application Server ABAP (SAP_BASIS 7.53)
  • ABAP PLATFORM 1909 - Application Server ABAP (SAP_BASIS 7.54)
  • ABAP PLATFORM 2020 - Application Server ABAP (SAP_BASIS 7.55)
  • ABAP PLATFORM 2021 - Application Server ABAP (SAP_BASIS 7.56)
  • ABAP PLATFORM 2022 - Application Server ABAP (SAP_BASIS 7.57)

Product

ABAP platform 1809 ; ABAP platform 1909 ; ABAP platform 2020 ; ABAP platform 2021 ; ABAP platform 2022 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP NetWeaver Application Server 7.51 for SAP S/4HANA 1610 ; SAP NetWeaver Application Server for ABAP 7.52 for SAP S/4HANA

Keywords

CST, client server technology, kernel, application server, instance, maximum number of connected terminals reached, SAP Client-Server Technology, rdisp/wp_max_no, Maximum number of permitted terminal connections reached, Q0P, cannot connect to the system, not able to connect, too many users, cannot logon, overflow of logon table, login slots full
, KBA , BC-CST-DP , Dispatcher, Task Handler , Problem

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