The major updates of the QVR 5.0.1 are as below:

[Important Notice]
  1. Before updating the system, please make sure the NVR system (with drives installed) has been initialized.
    The system update may take several minutes to complete depending on the network status. The system will inform you when the system update is completed.
    When performing a system update, please make sure the power supply is stable. Failure to do so may cause the system to be unable to start.
    After the system has updated, please restart the server.
    After upgrade to QVR 5.0, to downgrade to NVR FW v4.2.0 is not suggested.
  2. For optimized system performance, please use a minimum of five hard drives for RAID 5 or at least six hard drives for RAID 6 on VS-12100U-RP Pro(+), VS-8100U-RP Pro(+) and VS-8100 Pro+ series NVRs.
  3. To view live videos and to export videos using Internet Explorer, please add the NVR IP address to your list of Trusted Sites. If you are accessing it for the first time you will be prompted to install an ActiveX add-on.
  4. For VS-4100U-RP Pro+, to use NVR alarm input and alarm output function, please refer to this tutorial to update the BIOS of a NVR in local display mode first.
  5. Please follow the below instructions to install the hard drives (from left to right and from bottom to top).
    Tower models
    1 | 2 | 3 | 4 | 5 | 6 | 7 | 8

    Rackmount models
    9 | 10 | 11 | 12
    5 |  6 | 7 |  8
    1 |  2 | 3 |  4
  6. Supported Operating Systems: Microsoft Windows Vista, 7 and 8
[New Features Supported]
  1. Local Display enhancements
    1. Supports more live view display modes, including 5 x 4, 5 x 5, 6 x 5, 8 x 4, 6 x 6
    2. Displays hard drive information in the live view page
    3. Option to enable streaming information in the live view page
    4. Supports multi-channel playback, 4-channel mode
    5. Supports signal frame playback
    6. Supports exporting encrypted AVI files
[New Camera Features Supported]
  1. Smart stream of VIVOTEK cameras
    Supported models: VIVOTEK FD8371, IP8371, FD8171
  2. Smart recording & user defined streaming settings for ACTi cameras
    Supported models: ACTi B97, E34, E54, E84
[New Cameras Supported]
  1. (New) VACRON brand is newly supported.
    VIT-US621E
  2. ACTi ACD-2100 (1 channel), ACTi ACD-2200 (4 channel), ACTi ACD-2300 (8 channel), ACTi ACD-2400 (16 channel), ACTi I71, ACTi TCD-2100
  3. Arecont Vision AV3116DN
  4. AXIS M7016, P5415-E, P7216, Q1614(-E), Q1931-E, Q7436
  5. BEWARD BD4330DS
  6. Brickcom FB-200Np, FD-200Cp, FD-200Np, GOB-200Np, MD-200Np, OB-200Np, OB-202Ne, OB-202Nf,PH-100Ah, VD-200Nf, VD-200Np, WCB-200Af, WOB-200Ne, WOB-200Np
  7. D-Link DCS-5220B1, DCS-6314, DCS-6513
  8. Eneo PXD-2018PTZ1080
  9. Foscam FI8904W, FI8905E, FI8905W, FI8906W, FI8907W, FI8909W, FI8910E, FI8916W, FI8918W, FI8919W, FI9804W, FI9818W, FI9821P, FI9831W, FI9826W
  10. IQinvision IQD53W
  11. JVC VN-H237, VN-H557
  12. LILIN FD2452E(fisheye)
  13. MESSOA NCR368, NID325
  14. MOBOTIX D25M-Sec-D25, Q25M-Sec-D12,S15D-Sec , T25M-Sec-D12-PW
  15. Next Generation Office NG-IPCAMEV8580UL
  16. Panasonic DG/WV-SC588
  17. SIQURA HSD820H1-IM
  18. TRENDnet TV-IP310PI, TV-IP311PI
  19. VIVOTEK FD8134(V), FD8171, FD8355EHV, FD8365EHV, IP8337H-C, MD8531H, VS8100
  20. WISION WS-C5M34H-04, WS-C5M810H-PZ
  21. YUDOR YUC-H7A27, YUC-H7A88
  22. Zavio B5111, D5210, D7111, D7320, F3102, F3115, F7210, P6210
For more information of camera compatibility list, please visit http://www.qnap.com/n/en/product_z_g_qvr/cat_intro.php?hf=old.

[Known Issues]
  1. If your Windows OS is Windows Vista, Windows 7 or above, it is suggested to turn off UAC (User Account Control) for full surveillance functions.  Please refer to http://www.qnapsecurity.com/faq_detail.asp?faq_id=503.
  2. Two-way audio is only supported on IE browser or local display at the same time.
  3. In playback mode of local display, there is a possiblility that user could not search recording files after changing date and time configuration.