Event ID 5719: This computer was not able to set up a secure session with a domain
Windows Event ID Lookup: What Windows event IDs mean: 4625, 4624, 4740, 6008, 41, 7045, 1102 and 3,000 more, with Windows' own message text, the fields and what to check.
Look up a Windows event ID from Event Viewer, a SIEM alert or a log export: what it means, the fields it records, and what to
check. Many IDs are used by more than one source (event 41 is both a Kernel-Power crash and a boot error), so every definition
is shown, the one people usually mean first. The message text is Windows' own, read from the event providers of
Windows 10.0.26200.0, 2026-10-28; the notes are ours, based on Microsoft's
security auditing reference.
This computer was not able to set up a secure session with a domain
Event 5719
NETLOGON
System log
Error
The computer couldn't set up a secure channel with a domain controller (no DC reachable, or DNS problems), usually at boot.
What to check: Common once at boot before the network is up; if it persists, check DNS (the client must use your DCs as DNS servers) and connectivity to a DC.
This computer was not able to set up a secure session with a domain
controller in domain … due to the following:
…
This may lead to authentication problems. Make sure that this
computer is connected to the network. If the problem persists,
please contact your domain administrator.
ADDITIONAL INFO
If this computer is a domain controller for the specified domain, it
sets up the secure session to the primary domain controller emulator in the specified
domain. Otherwise, this computer sets up the secure session to any domain controller
in the specified domain.