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microsoft:ntp_external_sync
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| Time 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 his time from the domain’s PDC Operation Master. Therefore the PDC must synchronize his time from an external source. I usually use the servers listed at the NTP Pool Project website. Before you begin, don’t forget to open the default UDP 123 port (in- and outbound) on your (corporate) firewall. | Time 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 his time from the domain’s PDC Operation Master. Therefore the PDC must synchronize his time from an external source. I usually use the servers listed at the NTP Pool Project website. Before you begin, don’t forget to open the default UDP 123 port (in- and outbound) on your (corporate) firewall. | ||
| - | - First, locate your PDC Server. Open the command prompt and type: C:>netdom /query fsmo | + | - First, locate your PDC Server. Open the command prompt and type: <code winbatch> |
| + | C:>netdom /query fsmo | ||
| + | </code> | ||
| - Log in to your PDC Server and open the command prompt. | - Log in to your PDC Server and open the command prompt. | ||
| - | - Stop the W32Time service: C:>net stop w32time | + | - Stop the W32Time service: <code winbatch> |
| - | - Configure the external time sources, type: C:> w32tm /config /syncfromflags:manual /manualpeerlist:”0.pool.ntp.org, 1.pool.ntp.org, 2.pool.ntp.org” | + | C:>net stop w32time |
| - | - Make your PDC a reliable time source for the clients. Type: C:>w32tm /config /reliable:yes | + | </code> |
| - | - Start the w32time service: C:>net start w32time | + | - Configure the external time sources, type: <code winbatch> |
| - | - The windows time service should begin synchronizing the time. You can check the external NTP servers in the time configuration by typing: C:>w32tm /query /configuration | + | C:> w32tm /config /syncfromflags:manual /manualpeerlist:”0.pool.ntp.org, 1.pool.ntp.org, 2.pool.ntp.org” |
| + | </code> | ||
| + | - Make your PDC a reliable time source for the clients. Type: <code winbatch> | ||
| + | C:>w32tm /config /reliable:yes | ||
| + | </code> | ||
| + | - Start the w32time service: <code winbatch> | ||
| + | C:>net start w32time | ||
| + | </code> | ||
| + | - The windows time service should begin synchronizing the time. You can check the external NTP servers in the time configuration by typing: <code winbatch> | ||
| + | C:>w32tm /query /configuration | ||
| + | </code> | ||
| - Check the Event Viewer for any errors. | - Check the Event Viewer for any errors. | ||
| + | - If you need manual synchronize to NTP server : <code winbatch> | ||
| + | C:>w32tm /config /update | ||
| + | </code> | ||
| Tested on Windows Server 2008 R2 (Build 7600). | Tested on Windows Server 2008 R2 (Build 7600). | ||
microsoft/ntp_external_sync.1509527628.txt.gz · Last modified: 2017/11/01 10:13 by admin
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