wfAcctLastFlushTimeStampHigh 1.3.6.1.4.1.18.3.3.2.23.2.1.12

Time stamp (high 32 bits) of the last data flush, either invoked after transport of the data file when wfAcctFlushOnRetrieval is enabled, or by setting wfAcctFlushData to 0 or 1. This value is the number of seconds since Jan. 1, 1970, 00:00 (GMT).