Installing newest CU and dealing with.The File Replication Service has Stopped after taking an assertion failure. Exchange Transport Service stops after installing July 2018 Updates.Step#3 ( see the roll back changes) w32tm /query /configuration If for some reason you will need to revert back the changes you have doneīack out the changes w32tm.exe /config /syncfromflags:Domhier /reliable:NO /update Step#4 ( Verify the settings ) w32tm /query /configuration Step#4 ( verify service is running ) Get-Service –Name W32time Step#2 ( Updating configuration) w32tm.exe /config /update Setting Multiple time source w32tm.exe /config /manualpeerlist:”0.us. 1.us. 2.us. 3.us.” /syncfromflags:manual /reliable:YES /update Step#1 ( setting external time source ) w32tm /config /manualpeerlist:",0x1" /syncfromflags:manual /reliable:yes /update All other domain joined & connected computers, servers and domain controllers will sync their time from PDC Emulator. PDC Domain controller is the default authoritative time source for the forest/domain.Only PDC in your environment should have the external time source to sync its time from. If you wish to see which DC holds the FSMO roles, you can open PS or command prompt and type "netdom Query FSMO" and press enter. First of all, you need to configure the PDC and enable the NTP service on it. To configure the forest root PDCe role holder to synchronize with the NTP Pool Project’s NTP servers, execute the following commands from an elevated command prompt: w32tm /config /update /manualpeerlist:"0.,1.,2. default all computers part of a domain will sync their time from domain controller which holds the PDC FSMO role. Configuring domain time synchronization using Group Policy consists of 2 steps: Create a GPO for the domain controller with PDC role Create a GPO for Windows client computers in the AD Domain. Figure 2-5 from my book, Active Directory, 5th Edition shows how the time synchronization hierarchy works in a multi-domain forest: This way, if you transfer the PDCe FSMO role, you won’t need to reconfigure the time service on the new domain controller. As a matter of best practice, consider configuring a domain controller that has been identified as an alternate PDC emulator role holder to also synchronize with an external source. The PDC emulator in the forest root domain must be configured to synchronize with an authoritative external source – either a hardware clock, government time source, or another NTP server. Active Directory provides a time synchronization hierarchy that ensures that time dependent protocols such as Kerberos will work correctly.
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