Dear, I updated my samba to 4.8 and now when I execute the command samba_dnsupdate --verbose --all-names I get the following error message. *tkey query failed: GSSAPI error: Major = Unspecified GSS failure. Minor code may provide more information, Minor = Server not found in Kerberos database.** **Failed nsupdate: 1** **update(nsupdate): SRV _ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.cmc.corp samba.cmc.corp 389** **Calling nsupdate for SRV _ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.cmc.corp samba.cmc.corp 389 (add)** **Successfully obtained Kerberos ticket to DNS/samba.cmc.corp as SAMBA$** **Outgoing update query:** **;; ->>HEADER<<- opcode: UPDATE, status: NOERROR, id: 0** **;; flags:; ZONE: 0, PREREQ: 0, UPDATE: 0, ADDITIONAL: 0** **;; UPDATE SECTION:** **_ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones.cmc.corp. 900 IN SRV 0 100 389 samba.cmc.corp.** ** **tkey query failed: GSSAPI error: Major = Unspecified GSS failure. Minor code may provide more information, Minor = Server not found in Kerberos database.** **Failed nsupdate: 1** **Failed update of 27 entries* Has anyone ever had this problem and can help me? regards, Gabriel Franca