Copy and replace the existing .dll file in the installation folder. 3. Check Stream Type & Recording Storage
: Ensure the account you are using in SmartPSS has "Playback" rights enabled. Log in as an administrator on the system, go to , and verify the specific profile's permissions. Switch Connection Method : If using (serial number), try switching to a
The error could stem from several potential issues:
Dahua releases frequent firmware updates for NVRs. If your Smart PSS version is older than your NVR firmware (or vice versa), the NetSDK communication language changes. The client speaks "Version 1.0" but the NVR only understands "Version 2.0."
If you are using an older version of SmartPSS and cannot update the whole suite, you may need to manually replace the SDK file. Close SmartPSS completely.
: Verify that the login credentials are correct and that the user has the necessary permissions for playback.