Name changes to iNotes users convert back after 21 days

Running R6.0.2CF1 on V5R2 AS/400.  Prior to upgrading to R6 from R5.0.12 
last January I did not encounter this problem.  Creating new iNotes5 and 
iNotes6 clients I do not see this problem.  I created a test account and 
after name change opened the iNotes account and saw a "notification of 
name change" which I could accept and save. 
On previously existing iNotes5 clients, when I rename an account, the 
Adminp process makes changes to the database ACL, database name, and the 
"This mail file belongs to ..." in Tools -> Preferences but the client 
does not see a notification of name change and 21 days later the Domino 
Directory person documents reverts back to the old name and locks out the 
client.  I have gone into a recently changed iNotes5 client, by using 
their backup id, to accept the name change for them but I am not being 
challenged for the name change.
I cannot upgrade them to iNotes6 clients at this time until we resolve a 
3rd-party product conflict with iNotes6.  Anyone else experience this 
problem and have comments? 
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Gary L Wade
Lotus Notes Administrator
City of Orlando
400 S. Orange Ave.
PO Box 4990
Orlando, FL  32802-4990
(PH) 407-246-3796 
(FAX) 407-246-2878, (CELL) 321-229-6468
gary.wade@xxxxxxxxxxxxxxxxx