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Warning: DC is not advertising as a time server...I've tried non-authoritative sync of sysvol data, lots of time command,

Khang Nguyen 0 Reputation points
2024-10-19T03:01:38.08+00:00

I ran w32tm /monitor, I have 4 DC.....for the life of me can't get group policy and the server time 

    Warning: SUM22RAD19 is not advertising as a time server.

     ......................... SUM22RAD19 failed test Advertising

ERROR TO GO AWAY...Any help is appreciated.

I ran Repadmin /replsummary - the sysvols between all dc works fine.

Beginning data collection for replication summary, this may take awhile:

.......

Source DSA largest delta fails/total %% error

SUM22AZUREBU16 07m:14s 0 / 10 0

SUM22DC19 06m:58s 0 / 10 0

SUM22RAD19 07m:14s 0 / 10 0

SUM23CLOUDDC19 36m:41s 0 / 10 0

Destination DSA largest delta fails/total %% error

SUM22AZUREBU16 03m:24s 0 / 10 0

SUM22DC19 07m:14s 0 / 10 0

SUM22RAD19 36m:41s 0 / 10 0

SUM23CLOUDDC19 07m:15s 0 / 10 0

TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
C:\Users\administrator.SUMMIT>w32tm /monitor

sum22Rad19.summit.local *** PDC ***[[::1]:123]:

ICMP: 0ms delay

NTP: +0.0000000s offset from sum22Rad19.summit.local

    RefID: (unknown) [0x2639CD32]

    Stratum: 2

SUM22DC19.summit.local[X.X.X.X:123]:

ICMP: 0ms delay

NTP: +0.0008029s offset from sum22Rad19.summit.local

    RefID: 104-167-215-195.ipv4.berrybyte.net [88.88.88.88]

    Stratum: 3

SUM22AzureBu16.summit.local[10.10.12:123]:

ICMP: 0ms delay

NTP: -0.0013996s offset from sum22Rad19.summit.local

    RefID: 99-99- 99-99.lightspeed.iplsin.sbcglobal.net [99.99.99.99]

    Stratum: 2

Sum23cloudDC19.summit.local[88.88.88.88:123]:

ICMP: 44ms delay

NTP: +0.4226433s offset from sum22Rad19.summit.local

    RefID: (unspecified / unsynchronized) [0x00000000]

    Stratum: 0

Warning:

Reverse name resolution is best effort. It may not be

correct since RefID field in time packets differs across

NTP implementations and may not be using IP addresses.***

ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

C:\Users\administrator.SUMMIT>dcdiag

Directory Server Diagnosis

Performing initial setup:

Trying to find home server...

Home Server = sum22Rad19

  • Identified AD Forest.

Done gathering initial info.

Doing initial required tests

Testing server: Summit-Austin\SUM22RAD19

  Starting test: Connectivity

     ......................... SUM22RAD19 passed test Connectivity

Doing primary tests

Testing server: Summit-Austin\SUM22RAD19

  Starting test: Advertising

     Warning: SUM22RAD19 is not advertising as a time server.

     ......................... SUM22RAD19 failed test Advertising

  Starting test: FrsEvent

     ......................... SUM22RAD19 passed test FrsEvent

  Starting test: DFSREvent

     There are warning or error events within the last 24 hours after the SYSVOL has been shared.  Failing SYSVOL

     replication problems may cause Group Policy problems.

     ......................... SUM22RAD19 passed test DFSREvent

  Starting test: SysVolCheck

     ......................... SUM22RAD19 passed test SysVolCheck

  Starting test: KccEvent

     ......................... SUM22RAD19 passed test KccEvent

  Starting test: KnowsOfRoleHolders

     ......................... SUM22RAD19 passed test KnowsOfRoleHolders

  Starting test: MachineAccount

     ......................... SUM22RAD19 passed test MachineAccount

  Starting test: NCSecDesc

     ......................... SUM22RAD19 passed test NCSecDesc

  Starting test: NetLogons

     ......................... SUM22RAD19 passed test NetLogons

  Starting test: ObjectsReplicated

     ......................... SUM22RAD19 passed test ObjectsReplicated

  Starting test: Replications

     ......................... SUM22RAD19 passed test Replications

  Starting test: RidManager

     ......................... SUM22RAD19 passed test RidManager

  Starting test: Services

     ......................... SUM22RAD19 passed test Services

  Starting test: SystemLog

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   20:38:37

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   20:43:39

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   20:48:42

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   20:53:47

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   20:58:54

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   21:03:56

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   21:09:00

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   21:14:02

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   21:19:04

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   21:24:06

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   21:26:33

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   21:31:37

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     A warning event occurred.  EventID: 0x0000043D

        Time Generated: 10/18/2024   21:34:31

        Event String:

        Windows failed to apply the Group Policy Local Users and Groups settings. Group Policy Local Users and Groups settings might have its own log file. Please click on the "More information" link.

     ......................... SUM22RAD19 passed test SystemLog

  Starting test: VerifyReferences

     ......................... SUM22RAD19 passed test VerifyReferences

Running partition tests on : ForestDnsZones

  Starting test: CheckSDRefDom

     ......................... ForestDnsZones passed test CheckSDRefDom

  Starting test: CrossRefValidation

     ......................... ForestDnsZones passed test CrossRefValidation

Running partition tests on : DomainDnsZones

  Starting test: CheckSDRefDom

     ......................... DomainDnsZones passed test CheckSDRefDom

  Starting test: CrossRefValidation

     ......................... DomainDnsZones passed test CrossRefValidation

Running partition tests on : Schema

  Starting test: CheckSDRefDom

     ......................... Schema passed test CheckSDRefDom

  Starting test: CrossRefValidation

     ......................... Schema passed test CrossRefValidation

Running partition tests on : Configuration

  Starting test: CheckSDRefDom

     ......................... Configuration passed test CheckSDRefDom

  Starting test: CrossRefValidation

     ......................... Configuration passed test CrossRefValidation

Running partition tests on : summit

  Starting test: CheckSDRefDom

     ......................... summit passed test CheckSDRefDom

  Starting test: CrossRefValidation

     ......................... summit passed test CrossRefValidation

Running enterprise tests on : summit.local

  Starting test: LocatorCheck

     Warning: DcGetDcName(TIME_SERVER) call failed, error 1355

     A Time Server could not be located.

     The server holding the PDC role is down.

     Warning: DcGetDcName(GOOD_TIME_SERVER_PREFERRED) call failed, error 1355

     A Good Time Server could not be located.

     ......................... summit.local failed test LocatorCheck

  Starting test: Intersite

     ......................... summit.local passed test Intersite

C:\Users\administrator.SUMMIT>

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  1. Clément BETACORNE 2,496 Reputation points
    2024-10-21T14:41:38.3+00:00

    Hi,

    Time synchronization in a mono-domain forest should follow this hierarchy :

    • PDC Emulator (PDCe) synchronize with an external source
    • Other domain controller synchronize with the PDCe

    So to troubleshoot your issue, you should identity your PDCe with this command on a domain controller:

    netdom query fsmo

    After that on your PDCe check the configuration with this command:

    w32tm /query /configuration

    You should have something like below (NTP indicate the PDCe is using an external source)User's image On the other domain controller you should have something below:

    User's image

    After that check the configuration of the domain controllers on the DNS side to be sure that they register their records (Normally it should not be an issue because your replication is working)

    If you need help to configure the PDCe for time synchronization you can use this article:

    https://learn.microsoft.com/en-us/services-hub/microsoft-engage-center/health/remediation-steps-ad/configure-the-root-pdc-with-an-authoritative-time-source-and-avoid-widespread-time-skew?source=recommendations

    Regards,

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