Directory \\servername\sysvol\"domain name" isn't accessible anymore after updating Samba.

After installing samba-3.0.36-0.9.1, the directory \\servername\sysvol\"domain name" isn't accessible anymore.
This is preventing group policies and login scripts from being executed.

Add  "unix extensions = no" to the global section in /etc/samba/smb.conf for both additional and domain controllers.
Add  "wide links = yes" to the sysvol section in the /etc/samba/smb.conf for both additional and domain controllers.
Add  "wide links = yes" to the sysvol-msdfs section in the /etc/samba/smb.conf for additional  domain controllers only.
Restart samba (rcsmb restart).

smbd.log shows the following error message:
nts.com/Policies/{31B2F340-016D-11D2-945F-00C04FB984F9}/gpt.ini is a symlink outside the share path.

In previous versions of samba the default value for the configuration parameter "wide links" was set to yes.

If "wide links" = yes is present for the share definitions, but "unix extensions = no" is missing from the global section, smbd.log shows the following error message:
Share 'sysvol-msdfs' has wide links and unix extensions enabled. These parameters are incompatible. Disabling wide links for this share.