last history on Solaris resets itself nightly

The fix to this problem is found in this SunSolve document:


http://sunsolve.sun.com/search/document.do?assetkey=1-61-205225-1

Solaris 8 and above:

Edit the /usr/lib/acct/runacct script.

Find the "nulladm ${_wtmpx}" line and comment it out.