My Oracle Support Banner

Error: "ORA-12528: TNS:listener: all appropriate instances are blocking new connections" When Connecting To The P6 Project or Methodology Management Database (Doc ID 914099.1)

Last updated on JULY 25, 2023

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 7.0 and later
Primavera P6 Professional Project Management - Version 7.0 and later
Primavera Contract Management - Version 12.0 and later
All Platforms

Symptoms

When logging into P6 Project Management or Methodology Management or establishing a new connection to the database, the following connection failure occurs: 

This can most commonly occur on a Windows operating system, using an Oracle XE, 10g or 11g database.

Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Changes
Cause
Solution

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.