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DNS/DC connection timed out when auto revert for LIF set to true and LIF hosted on ifgrp

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642
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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

ONTAP 9

Issue

When we down/up all ports on ifgrp manually or during takeover/giveback, LIF is reverted successfully but DNS/DC connection using that LIF timed out for some time.

Logs:

3/14/2022 06:22:11 node-01 ERROR secd.dns.server.timed.out: DNS server 10.200.1.x did not respond to vserver = vserver1 within timeout interval
3/14/2022 06:22:13 node-01 ERROR secd.dns.srv.lookup.failed: DNS server failed to look up service (_ldap._tcp.dc._msdcs.domain.com) for vserver (vserver1) with error (Operation timed out).
3/14/2022 06:22:13 node-01 EMERGENCY secd.netlogon.noServers: None of the Netlogon servers configured for Vserver (vserver1) are currently accessible via the network.
3/14/2022 06:22:13 node-01 ERROR secd.cifsAuth.problem: vserver (vserver1) General CIFS authentication problem. Error: Ontap admin cifs authentication basic procedure failed
[ 0 ms] Login attempt by domain user 'domain\user1' using NTLMv2 style security
[ 5004] Failed to connect to 10.200.1.x for DNS via Source Address 10.141.200.x: Operation timed out
[ 6006] Failed to connect to 10.200.1.x for DNS via Source Address 10.141.200.x: Operation timed out
[ 7007] Failed to connect to 10.201.3.x for DNS via Source Address 10.141.200.x: Operation timed out
**[ 7009] FAILURE: Unable to contact DNS to discover domain controllers.
[ 7009] Unable to make a connection (NetLogon:DOMAIN.COM), result: 6812
[ 7011] Ontap-admin-login-cifs failed

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