Windows Event ID 129 – Time Service Error 0x800706E1: The Entry is Not Found.
Event ID: 129
Source: Time-Service
NtpClient was unable to set a domain peer to use as a time source because of discovery error. NtpClient will try again in 15 minutes and double the reattempt interval thereafter. The error was: The entry is not found. (0x800706E1)
Event Viewer
There may be some problems with network connection at a time when the system tries to sync time with your Domain Controller (NTP Server).
To resolve this issue try next:
1. Run Windows PowerShell or Command Prompt (CMD) as Admin;
2. Type the next command and run it:
w32tm /resync
3. Try to reboot your PC and check Event Viewer again.
NOTE: There also may be problems with your network adapter, with your local networks or some problems from the Domain Controller side.