Dynamic DNS update failed [5]: Input/output error

Solution Verified - Updated -


  • Dynamic DNS update failed
(Mon Sep  9 13:29:25 2019) [sssd[be[example.com]]] [nsupdate_get_addrs_done] (0x0040): Could not resolve address for this machine, error [5]: Input/output error, resolver returned: [11]: Could not contact DNS servers  
(Mon Sep  9 13:29:25 2019) [sssd[be[example.com]]] [nsupdate_get_addrs_done] (0x0040): nsupdate_get_addrs_done failed: [5]: [Input/output error]
(Mon Sep  9 13:29:25 2019) [sssd[be[example.com]]] [ad_dyndns_sdap_update_done] (0x0040): Dynamic DNS update failed [5]: Input/output error
(Mon Sep  9 13:29:25 2019) [sssd[be[example.com]]] [ad_dyndns_nsupdate_done] (0x0040): Updating DNS entry failed [5]: Input/output error


  • Red Hat Enterprise Linux
  • sssd
  • Active Directory

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