Error Code: 2021 and P2P-MAC Address Mismatch

Super Admin
20 Aug 2026
341 views
DVR4-4480G, DVR4-4480RN, DVR4-4480V, DVR4-4580G, DVR4-4580RN, DVR4-4580V, DVR4-4680, DVR4-4680RN, DVR4-4685, DVR4-4685RN, DVR4-4780V, DVR4-4980V, DVR4-5580, DVR4-5580G, DVR4-5580RN, DVR4-5680, DVR4-5680RN, DVR8-4480G, DVR8-4480RN, DVR8-4480V, DVR8-4580G, DVR8-4580RN, DVR8-4580V, DVR8-4680, DVR8-4680A, DVR8-4680RN, DVR8-4685, DVR8-4685RN, DVR8-4780V, DVR8-4880RN, DVR8-4980, DVR8-5580, DVR8-5580A, DVR8-5580G, DVR8-5580RN, DVR8-5580RU, DVR8-5680, DVR8-5680A, DVR8-5680RN, DVR8-5680RU, DVR8-5880RU, DVR16-4580G, DVR16-4580RN, DVR16-4580V, DVR16-4680, DVR16-4680A, DVR16-4680RN, DVR16-4680RU, DVR16-4880RU, DVR16-4980, DVR16-5580, DVR16-5580G, DVR16-5580G2, DVR16-5580RU, NVR8-8580, NVR8-8580RN, NVR8-8600RU, NVR8-8780, NVR8-8780RN, NVR16-8580, NVR16-8580RN, NVR16-8600RU, NVR16-8780, NVR16-8780RN, NVW-650, NVW-800, NVW-MR4K, NVW-MR4KSTN, DVR4-4680XN, DVR4-4680XU, DVR4-4685XU, DVR4-5680XN, DVR8-4680X, DVR8-4680XN, DVR8-4680XU, DVR8-4685XU, DVR8-5680X, DVR8-5680XU, NVR8-ADVANX, NVR16-ADVANX, SWIFI-4KPTBC, SWIFI-SESOL2KBC, SWIFI-SE2KBC, SWIFI-4KXTRMECO, SWIFI-SEVDBC, SWIFI-SE2KPT, SWIFI-SE2KIC, SWIFI-4KBUDDY, SWIFI-4KXTRM, SWIFI-4KFLOCAM, SWIFI-COREPRO, SWIFI-CORECAM, SWIFI-2KOCAM, SWIFI-2KICAM, SWIFI-FOURTIFY, SWIFI-BUDDY, SWIFI-XTRCM, SWIFI-CAM, SWIFI-PTCAM2, SWIFI-FLOCAM2, SWIFI-TRACKCM, SWIFI-SPOTCAM, SWIFI-ALERTCAM, SWIFI-SLMFLC

When you see this error message while pairing your recorder to Swann Security, please do the following:


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How to Fix It

Choose your device

  1. Access the recorder's Menu > System > Information.
  2. List down the following:
    • Device Type
    • UID or P2P ID (20-characters)
    • MAC Address
  3. Reach out to our Technical Support and provide these information.
menu_system_info
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  1. List down the following:
    • Model number
    • ID or MAC Address - you can find it here
  2. Reach out to our Technical Support and provide these information.

 

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