What is BLUETOOTH-PAIRING-FAIL?
Bluetooth device fails to pair ranks as a medium-severity Windows operating system issue in our database. Bluetooth device cannot complete the pairing process, shows 'Try connecting your device again' or stays stuck at 'Pairing'. Common triggers are driver mismatch after Windows update and too many paired devices in registry cache. Use the steps below to track down and fix the cause.
Common Causes
- Device in pairing mode of different profile
- Driver mismatch after Windows update
- Too many paired devices in registry cache
Step-by-Step Fix Guide
-
1
Remove old pairing entry in Bluetooth settings and retry
This step, "Remove old pairing entry in Bluetooth settings and retry", specifically rules out device in pairing mode of different profile.
-
2
Update the Bluetooth driver (Intel/Realtek/Qualcomm)
"Update the Bluetooth driver (Intel/Realtek/Qualcomm)" is worth trying when driver mismatch after Windows update turns out to be the culprit.
-
3
Run: Remove-Item 'HKLM:\SYSTEM\...\Bluetooth\...' to clear cache
If earlier steps didn't help, "Run: Remove-Item 'HKLM:\SYSTEM\...\Bluetooth\...' to clear cache" directly addresses too many paired devices in registry cache.
Commands & Diagnostics
devmgmt.msc
msdt.exe /id BluetoothDiagnostic
Frequently Asked Questions
In most cases, device in pairing mode of different profile is behind BLUETOOTH-PAIRING-FAIL. Driver mismatch after Windows update and too many paired devices in registry cache can trigger it too.
Most BLUETOOTH-PAIRING-FAIL reports resolve after "Remove old pairing entry in Bluetooth settings and retry". The rest of the guide above is there for the cases that don't.
As a medium-severity issue, BLUETOOTH-PAIRING-FAIL is more of a stability annoyance than a hardware risk — the steps above should clear it up.
You shouldn't need to. Work through the guide above first — a reinstall is only worth considering if none of those steps help.
Sometimes. Microsoft regularly releases patches that fix known BSOD triggers including BLUETOOTH-PAIRING-FAIL. Make sure Windows is fully up to date via Settings → Windows Update before attempting more advanced fixes.
Still Need Help?
Search our full database of 535+ documented PC errors for more solutions and step-by-step repair guides.
Search Error Database