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Change System time on SBS server

Posted on 2009-04-08
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Last Modified: 2012-05-06
My DC is running slightley slow in regards to the time which in tern all my clients are, just a few minutes but i am unable to change the system time as it states i do not have the correct priviledges, although im administrator on the server

Please help
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Question by:paulmcguire7002
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Expert Comment

by:wpathan
ID: 24104478
Is this the primary DC on your domain.
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Author Comment

by:paulmcguire7002
ID: 24104709
yep, one DC running exhange for around 30 xp pro users, i can see no group policy objects that could be causing this. x
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Expert Comment

by:wpathan
ID: 24104935
By default, the primary domain controller (PDC) emulator gets its time from the BIOS clock. In a network with a single DC, that DC automatically has this role.

The PDC emulator establishes the time and date settings for all computers within its domain. If the time is not accurately set in the PDC emulators BIOS, all computers in the domain have incorrect time and date settings.

To prevent this, you can synchronize the domain controller with an external time source such as the time servers provided by the National Institute of Standards and Technology (NIST). For a list of the names and IP addresses of NIST time servers for your area, see the National Institute of Standards and Technology (NIST) Internet Time Servers link on the Web Resources page at http://www.microsoft.com/windows/reskits/webresources.
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by:wpathan
wpathan earned 1000 total points
ID: 24104938
To synchronize the domain controller with an external time source
Click Start, and then click Command Prompt.

In the Command Prompt window, type the following line, where peers is a comma-separated list of IP addresses of the appropriate time sources, and press ENTER:
w32tm /config /manualpeerlist: peers /syncfromflags:MANUAL
The time sources you choose depend on your time zone. For example, if your domain controller is located in the Pacific Time zone, this line might read:
w32tm /config /manualpeerlist:131.107.1.10 /syncfromflags:MANUAL
In this example, the IP address of the timeserver is used instead of the fully qualified domain name for security purposes.

Press ENTER. You should get a message that the command completed successfully.

Type w32tm /config /update

Press ENTER. You should get a message that the command completed successfully.
W32time uses a variable poll interval based on the quality of timesync with the server. On DCs, this interval defaults to between 64 and 1024 seconds.

To immediately synchronize with the external time server, type w32tm /resync and press ENTER. You should get a message that the command completed successfully.

Type Exit and press ENTER
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Expert Comment

by:wpathan
ID: 24104941
Also this being your primary DC you should be a member of domain admins group to do the changes.
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Author Comment

by:paulmcguire7002
ID: 24104988
i've tried to syn with external source but to no effect using greenwhich atalantic time server, wonder if i can add the the administrator to domain admins
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Author Comment

by:paulmcguire7002
ID: 24105070
i've cracked it time service was not enabled in the system group policy its updated now, thanks for your help though,
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Author Comment

by:paulmcguire7002
ID: 24105087
Screen of configuation
enable-external-time-sync-on-ser.doc
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Expert Comment

by:wpathan
ID: 24108114
Great Work :-)
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Accepted Solution

by:
paulmcguire7002 earned 0 total points
ID: 24156244
thanks cant believe i overlooked that thanks for your help
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