TNS-12571 TNS:packet writer failure When Panda Anti Virus Software Installed
(Doc ID 461722.1)
Last updated on JANUARY 20, 2025
Applies to:
Oracle Net Services - Version 9.2.0.1.0 to 11.2.0.3 [Release 9.2 to 11.2]Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Gen 2 Exadata Cloud at Customer - Version N/A and later
Information in this document applies to any platform.
Connection to database fails with TNS-12571
Symptoms
Oracle Net connections fail with TNS-12571 / ORA-12571: TNS:packet writer failure
Oracle Net Client trace shows during the connection handshake the following error :
Changes
Panda Anti Virus software installed on the client.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |