Troubleshooting
Problem
This article describes a Windows operating system problem which can cause oncheck to fail to attach to shared memory on Microsoft Windows Server 2003.
Symptom
When IBM® Informix Dynamic Server™ (IDS) is installed on Windows Server 2003 and configured to use a large amount of shared memory (for example by setting BUFFERS to 126000 or higher in the ONCONFIG configuration file), the oncheck utility can fail to attach to shared memory with the following error:
MapViewOfFileEx: w32ec=487 at nt_shm.c:663
Unable to attach to shared memory. Invalid argument
23:00:16 shmat: [22]: operating system error
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Document Information
Modified date:
16 June 2018
UID
swg21231813