OPatch failed with error code = 73
Problem
The following error is applying the Oracle quarterly security patch on a Windows server.
Error Message
E:\patch_19\p37486199_190000_MSWIN-x86-64\37486199>opatch apply
Oracle Interim Patch Installer version 12.2.0.1.46
Copyright (c) 2025, Oracle Corporation. All rights reserved.
Oracle Home : E:\app\oracle\product\19.3.0\dbhome_1
Central Inventory : C:\Program Files\Oracle\Inventory
from :
OPatch version : 12.2.0.1.46
OUI version : 12.2.0.7.0
Log file location : E:\app\oracle\product\19.3.0\dbhome_1\cfgtoollogs\opatch\opatch2024-12-01_15-54-15PM_1.log
Verifying environment and performing prerequisite checks…
Prerequisite check “CheckActiveFilesAndExecutables” failed.
The details are:
Following active files/executables/libs are used by ORACLE_HOME :E:\app\oracle\product\19.3.0\dbhome_1
E:\app\oracle\product\19.3.0\dbhome_1\bin\oravssmsgus.dll
E:\app\oracle\product\19.3.0\dbhome_1\bin\ORAEVRUS19.dll
UtilSession failed: Prerequisite check “CheckActiveFilesAndExecutables” failed.
Log file location: E:\app\oracle\product\19.3.0\dbhome_1\cfgtoollogs\opatch\opatch2024-12-01_15-54-54-15PM_1.log
OPatch failed with error code = 73
Cause:-
The error message indicates that some files or executables within your Oracle Home directory are currently in use. Specifically,
the file ORAEVRUS19.dll and oravssmsgus.dll is active.
Found in the log E:\app\oracle\product\19.3.0\dbhome_1\cfgtoollogs\opatch\opatch2024-12-01_15-54-15PM_1.log
Following active files/executables/libs are used by ORACLE_HOME :c:\opt\oracle
E:\app\oracle\product\19.3.0\dbhome_1\bin\oravssmsgus.dll
E:\app\oracle\product\19.3.0\dbhome_1\bin\ORAEVRUS19.dll
Solution:-1
Verify Oracle was shutdown:
-Ensure the database and listener services running from the specified $ORACLE_HOME are cleanly shut down.
Confirm that no user processes are accessing any files within the Oracle Home.
-Check Active Files:
E:\app\oracle\product\19.3.0\dbhome_1\bin\oravssmsgus.dll
E:\app\oracle\product\19.3.0\dbhome_1\bin\ORAEVRUS19.dll
Identify any processes or services that might be using these files.
-Investigate Dependencies:
Determine which processes or applications rely on ORAEVRUS19.dll & oravssmsgus.dll.
Investigate whether any other software or services are using this DLL.
Soultion:-2 Download process-explorer and try again
https://learn.microsoft.com/en-us/sysinternals/downloads/process-explorer
-Retry applying the Oracle patch:
Once you’ve ensured that no active processes are using the specified files, retry the operation.
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