All cameras periodically disconnect when PdhMonitor error occurs. Need help!
Answered
Hello,
I am seeking assistance regarding a recurring issue with my Nx Witness system.
Periodically, all cameras in the system disconnect at the same time and then automatically reconnect to resume recording. Whenever this happens, I see the following warning in the logs:
WARNING nx::monitoring::PdhMonitor(0x203fd8a27c0): Error in PdhGetFormattedCounterValue: 2147485654
This issue occurs several times a day. My system environment is as follows:
- OS: Windows Server 2025
- Symptom: Simultaneous disconnection of all cameras followed by automatic reconnection.
Has anyone encountered this specific PdhMonitor error or resolved a similar issue? I am wondering if this is a known compatibility issue with Windows Server 2025 or if there are specific OS settings I should adjust.
Any advice or troubleshooting tips would be greatly appreciated.
and
I recently upgraded to version 6.1 (2025 compatible) two days ago, but the issue persisted. To resolve this, I even performed a clean reinstall by downgrading to Windows Server 2022 and restored all data.
Despite these efforts, the same error continues to occur, causing all camera recordings to stop and restart repeatedly. I would greatly appreciate it if someone could provide professional assistance or guidance on this matter.
Best regards,
-
Hi michael jeong,
Thanks for bringing this to our attention. Because this issue requires a deeper dive into your specific setup, we highly recommend reaching out to your Authorized Reseller as soon as possible.
They are best equipped to investigate the root cause of this specific issue and get it resolved or escalated for you.
Best regards.
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