CIFSアクセスが失敗したことを示すエラーメッセージ：No servers found in DNS

すべてのCIFSアクセスが次のエラーで失敗します。

Lookup of CIFS account name procedure failed

[ 7 ms] No servers found in DNS lookup for _ldap._tcp.dc._msdcs.xxxxx.xxxx.com

[ 7] No servers available for MS_LSA, vserver: 3, domain: xxxxx.xxxx.com

[ 17] No servers found in DNS lookup for _ldap._tcp.dc._msdcs.xxxxx.xxxx.com

[ 17] No servers available for MS_LSA, vserver: 3, domain: xxxxx.xxxx.com

**[ 17] FAILURE: Unable to make a connection

** (LSA:xxxxx.xxxx.com), result: 6940

[ 17] Could not find Windows name 'XXXX\USER NAME'

[ 17] CIFS name lookup failed