DEGRADED MODE — CACHED ENTITLEMENTS · SENTRIS-DB01 UNREACHABLE · People & Places duty desk
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Opened 13 years ago

Last modified 13 years ago

#21 RESOLVED fault

Intermittent LDAP auth failures traced to stale DC-locator SRV records

Reported by: People & Places Owned by: D. Pike (Node Control)
Priority: P2 Milestone:
Component: DNS / Directory Version:
Keywords: Cc:
Desk: Estate & Systems Legacy ref: DEVCON-1058

Description

Sporadic LDAP authentication failures against DEVCON-DC01, mostly after a controller reboot; binds succeeded and failed seemingly at random. Escalated as the directory being broken.

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Change History (3)

comment:1 by D. Pike, 13 years ago

Before anyone says it's the directory: it's DNS. The _ldap._tcp SRV records point at a decommissioned DC as well as the live one. Half the binds hit a ghost.

comment:2 by M. Ross, 13 years ago

…he might actually have it.

comment:3 by D. Pike, 13 years ago

Purged the stale SRV records, TTLs flushed, binds clean. It was DNS. It is ALWAYS DNS. Framing this ticket. Resolved.

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