In Windows Server 2003, a StorPort miniport driver calls the StorPortNotification function by using a RequestTimerCall request. If there was an earlier call of this type, this call may fail silently.
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This issue may occur when the resources for an earlier call have not been recycled by the time that the later call occurs. Used resources are recycled as part of an I/O operation that is made to the same Host Bus Adapter (HBA). This occurs after the request that used the resources. Therefore, the time when resources are being used is unpredictable because it depends on when the I/O request is made after the earlier request that used the resources.
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