SAP Knowledge Base Article - Preview

2199365 - ORA-12528: TNS:listener: all appropriate instances are blocking new connections"


• After the SMP server was recycled the SAP Mobile Platform service did not restart.
• The Windows event log shows this error: "access denied".  The SMP log file smp-server.log had the following errors:
java.sql.SQLexception: listener refused the connection with the following error: ORA-12528, TNS:
listener: all appropriate instances are blocking new connections.

• The SMP server is using an external Oracle database. 
• Both the Oracle listener and database were restarted but the same error occurred with SMP.



  • SMP 3.0 Agentry
  • Oracle data base as the repository


SAP Mobile Platform 3.0


SMP v3 server , KBA , MOB-SYC-SAP , Syclo Mobility for SAP backend , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.