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When LDAP login works but group lookup fails
DNS, bind user, base DN, filters, group objectClass.
1783-NATR setup checklist that prevents rework
IP plan, NAT table, verification sequence.
Field-ready IQ/OQ: what to include and what to avoid
Traceability, evidence, deviations, approvals.
How to write troubleshooting notes that others can replay
A reusable format for repeatable results.