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An error occurred getting the status of the last synchronization. The RPC server is unavailable.

When attempting to use Windows Time Service, you may encounter the error message: "An error occurred getting the status of the last synchronization. The RPC server is unavailable."

To resolve this problem, you most likely need to start the Windows Time Service:

  1. Click Start - Settings - Control Panel - Administrative Tools - Services.

  2. Double-click Windows Time and change the Startup Type to Automatic if it is not already set.

  3. Now start the service by clicking Start and click OK.

  4. Now reattempt the time sycnhronization.
If the service was started or the problem still persists, I have found that changing the available Time Servers resolves the issue and allows the synchronization to run successfully:

  1. Click Start - Run.

  2. Type: regedit

  3. Click OK.

  4. Browse to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\DateTime\Servers

  5. Double-click Volume Name 1 and change the Value Data from time.windows.com to clock.redhat.com

  6. Click OK.

  7. Close RegEdit.

  8. Now reattempt the time synchronization.
If the problem still persists, you may find that one or all of the following is the root of the problem:

  • The Windows Time Service was not started successfully.

  • The firewall on your network is blocking the Network Time Protocol (Port 123)

  • The firewall software on your computer is blocking the Network Time Protocol (Port 123)

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