roles (pfexec) not functioning for NIS compat user
<pre>user1@solaris11:~$ id
uid=55555(user1) gid=1111
user1@solaris11:~$ grep user1 /etc/passwd
+user1::::::/bin/bash
user1@solaris11:~$ roles
root
user1@solaris11:~$ pfexec grep user1 /etc/passwd
+user1::::::/bin/bash
user1@solaris11:~$ pfexec grep user1 /etc/shadow
grep: can't open /etc/shadow
user1@solaris11:~$ sudo grep user1 /etc/shadow
+user1::::::::
user1@solaris11:~$</pre>
Why isn't pfexec working?