Studying the AdminService log trying to resolve Service Application Installation issues, I am finding errors regarding adding my specialized Doman\Users to groups, i.e.
1/4/2013 8:19:17 PM TagId=1768514420 Pid=512 ThrdId=10 Level=High Category=msoulscat_WSS_Topology -- DOMAIN\WSS_Search cannot be added to the group IIS_IUSRS. This may be because SharePoint is being installed on a domain controller which does not allow some account types to be added to domain groups. Administrators and Network Service will be explicitly granted access to all SharePoint resources on the local system. You may need to manually grant other accounts the same access.
What account types can't be added?
I manually added the accounts to the groups, but the installer continues to try to install them. Why?
Are these issues the possible cause of installation failure; I really don't see much else in the log?