Why does selinux security context prevent Samba from working properly in Red Hat Enterprise Linux 5?

Issue

• Samba share setup. The security context cannot applied. This is preventing the Samba share access. The following are the error messages from /var/log/messages

  1. SELinux is preventing access to files with the label, file_t. For complete SELinux messages. 
     run sealert -l 732d3969-f264-418e-a5c2-0a18a4c40bd4
  
  2. Setroubleshoot: SELinux is preventing net (samba_net_t) "write" to ./636F6F6C6B6579706B313173452D47617465203020302D30 (auth_cache_t). 
     For complete SELinux messages run sealert -l 49f46a5a-3076-4fcf-b143-ee6a9c9c3112
  
  3. SELinux is preventing smbd (smbd_t) "sys_nice" to <Unknown> (smbd_t)
  
  4. SELinux is preventing winbindd (winbind_t) "write" to ./krb5.conf (etc_t)