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Event ID 1012: Error reporting was unable to create a crash dump file as a previous crash dump file already exists

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.

Try: 4625, 4624, 4740, 6008, 41, 1074, 7045, 1102, 4104, 1149

Error reporting was unable to create a crash dump file as a previous crash dump file already exists.

Event 1012
WER-SystemErrorReporting
System log
Error
Message and fields (as Event Viewer shows them) 
Error reporting was unable to create a crash dump file as a previous crash dump file already exists.

There was an error while attempting to read the local hosts file.

Event 1012
DNS-Client
System log
Error
Message and fields (as Event Viewer shows them) 
There was an error while attempting to read the local hosts file.

Diagnostic warning event on a device(Port

Event 1012
StorPort
System log
Warning
Message and fields (as Event Viewer shows them) 
Diagnostic warning event on a device(Port = …).                    
Adapter Guid: …                    
Miniport driver name: …                    
TransportType: …                    
TransportAddress: …                    
Description: …

Remote session from client name … exceeded the maximum allowed failed logon attempts.

Event 1012
TerminalServices-RemoteConnectionManager
TerminalServices-RemoteConnectionManager/Operational log
Information
Message and fields (as Event Viewer shows them) 
Remote session from client name … exceeded the maximum allowed failed logon attempts. The session was forcibly terminated.

… has encountered an error trying to delete an item from quarantine.

Event 1012
Windows Defender
Windows Defender/Operational log
Error
Message and fields (as Event Viewer shows them) 
… has encountered an error trying to delete an item from quarantine.
 For more information please see the following:
…
 	Name: …
 	ID: …
 	Severity: …
 	Category: …
 	User: …\…
 	Error Code: …
 	Error description: …
 	Security intelligence Version: …
 	Engine Version: …

The network name information changed.

Event 1012
SMBServer
SMBServer/Operational log
Information
Message and fields (as Event Viewer shows them) 
The network name information changed.

Change Type: …
Net Name: …
IP Address: …
Flags: …
Interface Index: …
Capability: …
Link Speed: …

Guidance:

You should expect this event on a Windows Failover Cluster node during failover operations, at system startup, or during network configuration. No user action is required.