The Parameter Is Incorrect Hands^hot^ Free Telephony Jun 2026

net stop audiosrv net stop AudioEndpointBuilder net start AudioEndpointBuilder net start audiosrv

Repeat this for any other similarly named Bluetooth User Service folders. the parameter is incorrect handsfree telephony

If error persists:

If you are seeing this error while trying to enable or disable Handsfree Telephony, follow these steps in order. 1. Fix via Registry Editor (Highly Effective) net stop audiosrv net stop AudioEndpointBuilder net start

This error typically appears when trying to use a Bluetooth headset or earbuds, specifically when switching to Hands-Free Telephony mode (which enables the microphone, but degrades audio quality). The issue usually stems from driver conflicts, incorrect Bluetooth services, or registry problems. incorrect Bluetooth services

After the reboot, put your headset into pairing mode and add it via Bluetooth settings again.