PROBLEM:  (None)    (Patch ID: TCR160-003)
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This patch fixes a problem where DRD permissions could be lost if a service
is modified more than once.  In V1.6 new functionality was added to allow
the setting of the mode, owner and group of DRD devices by invoking the
asemgr utility to modify the DRD service.  If, after DRD permissions have
been set, the service is modified again these DRD permissions could be lost.
This problem has been solved in this patch.