# Set the time server
$TimeServer = "gbg1.ntp.se"

# Configure the time server
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\W32Time\Parameters" `
    -Name "NtpServer" -Value $TimeServer
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\W32Time\Config" `
    -Name "AnnounceFlags" -Value 5
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpClient" `
    -Name "SpecialPollInterval" -Value 900
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\W32Time\Config" `
    -Name "MaxPosPhaseCorrection" -Value 3600
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\W32Time\Config" `
    -Name "MaxNegPhaseCorrection" -Value 3600

# Restart the Windows Time service
Restart-Service w32time