Category Archives: windows

Synchronize time with external NTP server on Windows Server

NTP synchronization is an important aspect for all computers on the network. By default, the clients computers get their time from a Domain Controller and the Domain Controller gets it’s time from the domain’s PDC Operation Master. Therefore the PDC … Continue reading

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Event 10154, The WinRM service failed to create the following SPNs: WSMAN/dcname.domain.com; WSMAN/dcname

ometimes when you create new DC you will get this error inside event log. It means that WINRM service can not create SPN in Active directory with its credentials. You can create SPNs manually, but WINRM service will try to … Continue reading

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Event ID – 29

According to Microsoft :CauseThis event is logged when the Key Distribution Center (KDC) cannot find a suitable certificate to use for smart card logons, or the KDC certificate could not be verified.ResolutionRequest a new domain controller certificateKerberos uses a domain … Continue reading

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NETLOGON event 5807

The Ugly A routine check of the system log advised warnings related to the NETLOGON service. As this service is related to all remote network accesses to the DC servers, such an event must be carefully investigated. There is a … Continue reading

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Windows Server – How to identify which domain controller authenticated a user

Have the logged on user launch the command prompt on the target computer. Type Set Logonserver the name of the domain controller that authenticated the user will be returned. See the figure below. Using echo %username% will allow you create a script to identify the authenticating … Continue reading

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