ORA-27300: OS System Dependent Operation: string failed with status: string

Oracle Support advises that there is a bug: BUG 5607984 - ORACLE DOES NOT CLOSE TCP CONNECTIONS. REMAINS IN CLOSE_WAIT STATE. on Windows 32-bit.

Patch number 5639232 that Oracle Support can provide is supposed to solve the problem for 10.2.0.2.0.  This bug is also supposed to be solved in the 10.2.0.3.0 patchset that is available on the Metalink site.

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