samba-mirror/docs-xml/smbdotconf/winbind/idmapnegativecachetime.xml

<samba:parameter name="idmap negative cache time"
                 context="G"
		 type="integer"
                 advanced="1" developer="1"
                 xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
<description>
	<para>This parameter specifies the number of seconds that Winbind's
	idmap interface will cache negative SID/uid/gid query results.
	</para>
</description>

<value type="default">120</value>
</samba:parameter>