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Thanks Kyle, I still get fully working email notifications with three images attached from non-acusense cameras. On my acusense camera, most of the email images are corrupt, but maybe 1 in 10 comes through with a picture that can be displayed, only with one image though not three like before. I...

Thanks Kyle, Unfortunately even with v4.63.006 I am still getting corrupt image attachments for emailed event notifications. My NVR is a 7716NI-M4/16P, and the camera is a DS-2CD2186G2-ISU on firmware V5.7.13 build 230504.

Hi Kyle, Any update on this? Did Hikvision have any further thoughts? Thanks for your help.

I can confirm this at my end too. The new firmware installed ok (no errors on install), but motion detection emails with AcuSense on still contain only one image and mine have so far been all corrupt / unviewable.

That sounds consistent with what I’m seeing, apart from most of the time I don’t get the single image to display on the email and even saving the attachment and opening in a different app does not work, so definitely somehow corrupted. In firmwares prior to v4.63.000 I definitely had acusense...

I did some more testing, and non-acusense cameras still send motion detection emails with three photos, and the issue seems to be limited to motion events from my acusense camera. So that seems to imply that the v4.63.000 firmware may have an issue specifically with acusense motion detection...

Thanks. Upgrading the camera firmware had no impact, so it seems to be more of an NVR firmware issue than a camera issue. What is interesting though is that the issue of emailed images being corrupt is just with motion detection; the video tampering alerts are emailed with three images...

The camera is a DS-2CD2186G2-ISU on firmware v5.7.3. I hadn’t used the specific customised firmware for the NVR. Before installing V4.63.000, it had V4.61.405 build 220930 when it was bought, and I installed standard V4.61.410 build 221117, followed by V4.61.420 build 230217. The email images...

I upgraded my M-series NVR (DS-7716NI-M4 / 16P) firmware from v4.61.420 to v4.63.000, and since then my motion detection email alerts no longer have images in them, despite the settings for them remaining in place (and worked fine in previous firmware versions). The motion detection emails now...

On the PoE / video signal loss problems, one other observation in case it is useful for hunting down the cause: When the Video Signal Lost event occurs, and it sends a notification email, it seems to sometimes also lose the name of the camera. Usually the email contains a line including the name...

Thanks Kyle. The camera I have on channel 1 is a DS-2CD2T42WD-I5. I haven’t been able to test with other cameras. With the previous firmware I saw the issue on channels 1-4, where the camera types used were DS-2CD2T42WD-I5 , DS-2CD2T32-I5 , DS-2CD2186G2-ISU.

At my end I upgraded my DS-7716NI-M4/16P from V4.61.405 build 220930 that came as factory install, to the latest V4.61.410 build 221117, and I have this morning had a raft of video signal lost errors, but this time only on channel 1, rather than on a broader set of the ‘left side’ POE channels...

Hi all, I am having what sounds like exactly the same issue on my new DS-7716NI-M4/16P. I have cameras plugged into ports 1-8 and I am getting ‘Video signal lost’ errors on ports 1-4 (only). I’ve had the M-series NVR for a couple of weeks now and first there were no errors but suddenly in...

Thanks. Turns out the issue was probably an old web plug-in when using Mac Safari. On a PC Internet Explorer it suggested updating the plug-in when opening there camera's web page and after updating the plug-in the firmware upgrade worked...

I am trying to update my DS-2CD2T42WD-I5 to the firmware V5.5.5, but it keeps on saying "upgrading failed" immediately after clicking on the upgrade button and agreeing to the disclaimer pop-up box. I have tried to re-download the file from the EU portal, in case first download was corrupt...

It seems that Hikvision have posted an updated build of the NVR v3.4.2 for the Netra range (e.g. my 7732-SP) which addresses the gmail issues. It's under a "temp" folder on hikvision's european portal, so maybe it's a beta version. The notes with it also advice to use gmail app password and...