: If this error occurs immediately after a time change, it may resolve itself within 24 hours. Ensure your NVR and cameras are synchronized to the same time zone.
Aggressive security software can block the return traffic needed for playback. ESET Security Forum failed to start playback netsdk returns error smart pss best
While less common, expired passwords, changed user permissions (e.g., a user who had playback rights suddenly downgraded to live view only), or IP address filtering on the device can reject playback requests. In such cases, the NetsDK returns an access-denied error, which Smart PSS lumps into the generic playback failure message. : If this error occurs immediately after a
A recent firmware update on your NVR/DVR or a legacy software version on your host PC creates broken API calls during remote or local area network (LAN) lookups. ESET Security Forum While less common, expired passwords,
The "Failed to start playback. NETSDK returns error" in SmartPSS is