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Connections Are Dropped or Rejected Intermittently on Windows 2003 with Service Pack 1 or 2 (Doc ID 429230.1)

Last updated on MARCH 31, 2022

Applies to:

Oracle Net Services - Version to [Release 9.2 to 10.2]
z*OBSOLETE: Microsoft Windows Server 2003
This issue is limited to: Microsoft Windows Server 2003


Connections are dropped intermittently and / or new connections are rejected intermittently once Service Pack 1 for Windows 2003 is installed. LSNRCTL commands may also fail with TNS-12547 "Lost contact" or with TNS-12537 "Connection closed".

Listener traces show OS-level problems related to lack of buffer space :



Windows Service Pack 1 (SP1) or 2 (SP2) has been installed recently, before problems started.


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