Event Details
Operating System->Microsoft Windows->Built-in logs->Windows 2008 or higher->Security Log->Logon/Logoff->Network Policy Server->EventID 6277 - Network Policy Server granted access to a user but put it on probation because the host did not meet the defined health policy.
EventID 6277 - Network Policy Server granted access to a user but put it on probation because the host did not meet the defined health policy.

Find more information about this event on ultimatewindowssecurity.com.
        Network Policy Server granted access to a user but put it on probation because the host did not meet the defined health policy.

        Contact the Network Policy Server administrator for more information.

        Security ID:			%1
        Account Name:			%2
        Account Domain:			%3
        Fully Qualified Account Name:	%4

        Client Machine:
        Security ID:			%5
        Account Name:			%6
        Fully Qualified Account Name:	%7
        OS-Version:			%8
        Called Station Identifier:		%9
        Calling Station Identifier:		%10

        NAS IPv4 Address:		%11
        NAS IPv6 Address:		%12
        NAS Identifier:			%13
        NAS Port-Type:			%14
        NAS Port:			%15

        RADIUS Client:
        Client Friendly Name:		%16
        Client IP Address:			%17

        Authentication Details:
        Proxy Policy Name:		%18
        Network Policy Name:		%19
        Authentication Provider:		%20
        Authentication Server:		%21
        Authentication Type:		%22
        EAP Type:			%23
        Account Session Identifier:		%24

        Quarantine Information:
        Result:				%25
        Extended-Result:			%26
        Session Identifier:			%27
        Help URL:			%28
        System Health Validator Result(s):	%29
        Quarantine Grace Time:		%30
Log Type: Windows Event Log
 Uniquely Identified By:
Log Name: Security
Filtering Field Equals to Value
OSVersion Windows Vista (2008)
Windows 7 (2008 R2)
Windows 8 (2012)
Windows 8.1 (2012 R2)
Windows 10 (2016)
Category Logon/Logoff
Source Microsoft-Windows-Security-Auditing
TaskCategory Network Policy Server
EventId 6277
Field Matching
FieldDescriptionStored inSample Value
DateTime Date/Time of event origination in GMT format. DateTime 10.10.2000 19:00:00
Source Name of an Application or System Service originating the event. Source Security
Type Warning, Information, Error, Success, Failure, etc. Type Success
User Domain\Account name of user/service/computer initiating event. User RESEARCH\Alebovsky
Computer Name of server workstation where event was logged. Computer DC1
EventID Numerical ID of event. Unique within one Event Source. EventId 576
Description The entire unparsed event message. Description Special privileges assigned to new logon.
Log Name The name of the event log (e.g. Application, Security, System, etc.) LogName Security
Task Category A name for a subclass of events within the same Event Source. TaskCategory
Level Warning, Information, Error, etc. Level
Keywords Audit Success, Audit Failure, Classic, Connection etc. Keywords
Category A name for an aggergative event class, corresponding to the similar ones present in Windows 2003 version. Category Account Logon
Object Name -
Whom -
Object Type -
Class Name -
Security ID -
Account Name -
Account Domain -
User: Security ID Security ID of the account that requested the access. Usually resolved to Domain\Name in home environment. InsertionString1
User: Account Name Name of the account that requested the access. InsertionString2
User: Account Domain Name of the domain that account requested the access belongs to. InsertionString3
User: Fully Qualified Account Name FQDN of the account that requested the access. InsertionString4
Client Machine: Security ID InsertionString5
Client Machine: Account Name InsertionString6
Client Machine: Fully Qualified Account Name InsertionString7
Client Machine: OS-Version InsertionString8
Client Machine: Called Station Identifier InsertionString9
Client Machine: Calling Station Identifier InsertionString10
NAS: NAS IPv4 Address InsertionString11
NAS: NAS IPv6 Address InsertionString12
NAS: NAS Identifier InsertionString13
NAS: NAS Port-Type InsertionString14
NAS: NAS Port InsertionString15
RADIUS Client: Client Friendly Name InsertionString16
RADIUS Client: Client IP Address InsertionString17
Authentication Details: Proxy Policy Name InsertionString18
Authentication Details: Network Policy Name InsertionString19
Authentication Details: Authentication Provider InsertionString20
Authentication Details: Authentication Server InsertionString21
Authentication Details: Authentication Type InsertionString22
Authentication Details: EAP Type InsertionString23
Authentication Details: Account Session Identifier InsertionString24
Quarantine Information: Result InsertionString25
Quarantine Information: Extended-Result InsertionString26
Quarantine Information: Session Identifier InsertionString27
Quarantine Information: Help URL InsertionString28
Quarantine Information: System Health Validator Result(s) InsertionString29
Quarantine Information: Quarantine Grace Time InsertionString30
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