Event ID - 5770

Event Id5770
SourceNetlogon
DescriptionThe session setup to the Windows NT Domain Controller <\\server> from computer CSWINS using account CSWINS$ failed. CSWINS2 is declared to be a BDC in domain <domain_name>. However, CSWINS2 tried to connect as either a DC in a trusted domain, a member workstation in domain <domain_name>, or as a server in domain <domain_name>. Use the Server Manager to remove the BDC account for CSWINS.
Event InformationFollowing Microsoft article will give more information about different causes and it resolution for this event.
Reference LinksTrust Fails if PDC Computer Name Exists in a Trusted Domain

Netlogon Event ID 5770 and 5722 on Primary Domain Controller

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