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Primary Note: Troubleshooting Windows Resources (Doc ID 1508243.1)

Last updated on AUGUST 23, 2021

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


This document is intended to assist Database Administrators resolve Database issues encountered involving the Windows Operating System.

Troubleshooting Steps

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In this Document
Troubleshooting Steps
 Common Issues related to Windows Resources
 ORACLE.EXE exhausts virtual memory
 Heavy Swapping
 ORA- errors related to the Windows Resources
 ORA-27100: shared memory realm already exists
 ORA-27102: out of memory
 ORA-27300 ORA-27301 ORA-27302
 TNS-12500: TNS:listener failed to start a dedicated server process
 Other Helpful Articles
 Further Diagnostics

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