WINDOWS SERVICE

W32Time: Windows Time

Q: How do I check that it is the real service?

On build 26300 it ran in its own svchost.exe -k LocalService process as LocalService and loaded C:\Windows\System32\w32time.dll, signed by Microsoft Windows. sc qc W32Time prints the same on your PC.

Maintains date and time synchronization on all clients and servers in the network.

TECHNICAL SUMMARY

Service name	W32Time
Display name	Windows Time
Runs from	C:\Windows\System32\svchost.exe
Command line	svchost.exe -k LocalService
Runs as	LocalService
Verdict	Leave it alone
Microsoft, Windows Server 2016 guidance	No guidance

Paths, signer and service account observed on Windows 11 build 26300 on 11 November 2026. Run the commands below to check your own PC.

Should you touch it?

Leave it alone

Microsoft states that if it is stopped, date and time synchronization is unavailable, and its guidance for Windows 10 and 11 IoT Enterprise rates it Don't disable, adding that reconfiguring the Windows Time service is not recommended.

What PC Tweaker does with it

PC Tweaker does not change this service. No control in the catalogue stops it, disables it or edits its start type.

Check it yourself

See its state and start type

Get-Service W32Time | Format-List Name, DisplayName, Status, StartType
sc qc W32Time

PowerShell

Common questions

What does the W32Time service do?

Maintains date and time synchronization on all clients and servers in the network. It runs C:\Windows\System32\svchost.exe (svchost.exe -k LocalService) as LocalService.

Can I disable W32Time?

Leave it alone. Microsoft states that if it is stopped, date and time synchronization is unavailable, and its guidance for Windows 10 and 11 IoT Enterprise rates it Don't disable, adding that reconfiguring the Windows Time service is not recommended.

How do I check or force a time sync?

With Microsoft's w32tm tool, from a Command Prompt opened as administrator: w32tm /query /status shows the current state and w32tm /resync asks for a sync now. Microsoft notes that membership in the local Administrators group is required: on Windows 11 build 26300 w32tm /query /source from a normal prompt returned Access is denied (0x80070005).

How do I check that it is the real service?

On build 26300 it ran in its own svchost.exe -k LocalService process as LocalService and loaded C:\Windows\System32\w32time.dll, signed by Microsoft Windows. sc qc W32Time prints the same on your PC.