Thanks go to Tim Mooney!! Thanks Tim!!
I was able to use the convuser -d OldLoginName
to get rid of these entries in /var/tcb/files/auth.db
Below is my original question and Tim's answer.
Thanks again - Jean  Larsen
Computer Programmer/Analyst
Western Wyoming Community College
***********************************************************************
        Subject:  Re: [Q] How to clean up /var/tcb/files/auth.db
        On Tue, 12 Aug 1997, Jean A Larsen wrote:
	>We have decided to enter all logins as new ones to change the 
	>length etc...  I deleted the nescessary line in group/passwd
files.
	>We are using C2 security and I have found that the old user IDs
are
	>in the /var/tcb/files/auth.db file.  I ran authck -a -v and
have a
	>listing.
	>Now how do I clean out the ones not supposed to be there?
	>We are porting to an Alpha 1000A using Digital Unix 4.0b
	>Can I just edit /var/tcb/files/auth.db?
        You probably want to investigate the man pages for `convuser'
(especially
        the -d option) and you may also want to check out the `edauth'
and `convauth'
        man pages.
        Tim
        -- 
        Tim Mooney
mooney_at_dogbert.cc.ndsu.NoDak.edu
        Information Technology Services         (701) 231-1076 (Voice)
        Room 242-J1, IACC Building              (701) 231-8541 (Fax)
        North Dakota State University, Fargo, ND 58105-5164
Received on Tue Aug 19 1997 - 19:57:05 NZST