Thursday, April 16, 2009

windows "internet time" "RPC server is unavailable"

Finally (after all these years) I got annoyed enough to track down why Internet Time wasn't working on all of my XP or Vista boxes.

Despite the Internet Time synch tab being there out of the box on the system clock, there is a manual step needed to enable it. The Windows Time service needed to back it up isn't registered by default (check the Administrative Tools service applet). So, at a DOS prompt, enter

w32tm /register

Then in the Administrative Tools service applet manually start the Windows Time service.

Then and only then will the Update Now button work.


Addendum 12-Mar-12

Searching for other mentions of the service registration, there appear to be some problem reports where the service is registered, but the time synch still fails. This is not a problem I personally have ever seen, but in those articles, the fix reported in these cases is

w32tm /unregister
w32tm /unregister
w32tm /register

where you have to ignore the errors from both the first two commands to de-register the service.

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