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Author Topic: DCS-934L video stream from your device was lost  (Read 1116 times)

PeepMe

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DCS-934L video stream from your device was lost
« on: March 02, 2017, 07:05:39 AM »

Greetings! 1st post...
I have seen this error discussed before but I haven't seen the detail and exact circumstances so I am broaching the subject in hopes of a resolution.

I have 3 DCS cameras, 2 of which are 934L and 1 936L. I have had the 934Ls for a little over 1 year and the other for about 6 months.
I have had no issue with connection; set up etc. UNTIL YESTERDAY (3/1/17)

On the android mobile app ALL of the cameras are showing as connected (blue cloud icon) but I can only connect to 1 of the 934Ls and the 936L. On the desktop, ALL of the cameras are showing connected (green check mark) but again I can only connect to 1 of the 934Ls and the 936L.

The error I get on the mobile app is : "The video stream from your device was lost. Please try again". 

All of the cameras are on the same network, all in the same house. Obviously, there is no issue with the network or the other 2 wouldn't be working. There is obviously no issue with power or the camera wouldn't show as connected.


-I can't access the settings, because it won't connect.
-I saw some people say they had success by turning off their mobile wifi, this has not worked for me.
-I was also accessing the cameras via another app to see all the cameras at the same time(not sure I'm allowed to mention the name here). However because I am not currently on the same network I can't say if that is working right this moment

(Difference between what I am seeing and the other reports is: I had only noticed the issue for iOS,I hadn't seen mention of the issue persisting on the computer as well, also it wasn't clear if camera was connected and if they had the issue with other cameras on the network)

Thanks in advance for any assistance. Let me know if there are any other details.

Android S7/Tab S2 using safari on Mac
*Other than this I have been happier than a hummingbird in the spring with the cameras and the mobile app access(outside of some obvious  features I'd like to see*
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FurryNutz

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Re: DCS-934L video stream from your device was lost
« Reply #1 on: March 02, 2017, 07:11:07 AM »

Link>Welcome!

  • What Hardware version is your DCS? Look at the sticker behind or under the camera.
  • Link>What Firmware version is currently loaded? Found on the DCSs web page under status.
  • What region are you located?

Might power cycle the one camera and test again.
Can you access the cameras from the LAN side from a PC via web browser?
Can you access the cameras from the LAN side from a PC with the mydlink.com site?

What Mfr and model is the main host router?
What wireless modes are you using?
What is the distance between the Camera and the main host router?
How many other wireless devices do you have connected to the main host router?
  • Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences?
  • Any other WiFi routers in the area that maybe causing interferences? Link> Use a WiFi Scanner to find out. How many?

I recommend setting a static IP address ON the cameras outside of the main host routers default DHCP IP address pool as a troubleshooting step: 192.168.#.93 and 94 and so on.  DHCP

Test cameras with uPnP and uPnP Port Forwarding both enabled on ALL cameras: DCS Cloud (L) Series Camera Configuration and Mydlink.com
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PeepMe

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Re: DCS-934L video stream from your device was lost
« Reply #2 on: March 02, 2017, 07:37:33 AM »

Thanks for your reply and probe questions:

What Hardware version is your DCS? Look at the sticker behind or under the camera. We've placed them in some not so easy to access areas after 3 months of no issues--will try to access in the next week (but if it's the same as the one I got at the same time it's A)
What Firmware version is currently loaded? Found on the DCSs web page under status. (If it's the same as the one I got at the same time it's: 1.05.04 (2016-09-09)
What region are you located? NE-NJ

Might power cycle the one camera and test again.
Can you access the cameras from the LAN side from a PC via web browser? Can't say for certain, right now, not on the network
Can you access the cameras from the LAN side from a PC with the mydlink.com site? I can see the camera, see it's connected but cannot access it. I get the loading /Connection to your device  spinning icon and then a retry button after about 90 secs

What Mfr and model is the main host router? Xfinity Wireless Gateway 3 /TG1682G
What wireless modes are you using?  Can you let me know what information you're looking for here?
What is the distance between the Camera and the main host router? The camera with the issue is actually the closest one to the router--maybe 20ft
How many other wireless devices do you have connected to the main host router? When not home just the 3 cameras, a phone being used as a camera and the Mycloud device. 3 more devices when at home.
Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences? The same phone has been in the same room since I got the camera and has not caused this issue, it is the same distance as the modem and has been closer in the past.
Any other WiFi routers in the area that maybe causing interferences? Link> Use a WiFi Scanner to find out. How many? No new ones, there are about 7

I am wary about port forwarding but I will look into setting the static address.

Thanks
« Last Edit: March 02, 2017, 08:06:21 AM by FurryNutz »
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FurryNutz

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Re: DCS-934L video stream from your device was lost
« Reply #3 on: March 02, 2017, 08:09:15 AM »

Thanks for your reply and probe questions:

What Hardware version is your DCS? Look at the sticker behind or under the camera. We've placed them in some not so easy to access areas after 3 months of no issues--will try to access in the next week (but if it's the same as the one I got at the same time it's A)
What Firmware version is currently loaded? Found on the DCSs web page under status. (If it's the same as the one I got at the same time it's: 1.05.04 (2016-09-09)
What region are you located? NE-NJ

Might power cycle the one camera and test again.
Can you access the cameras from the LAN side from a PC via web browser? Can't say for certain, right now, not on the network
Can you access the cameras from the LAN side from a PC with the mydlink.com site? I can see the camera, see it's connected but cannot access it. I get the loading /Connection to your device  spinning icon and then a retry button after about 90 secs

What Mfr and model is the main host router? Xfinity Wireless Gateway 3 /TG1682G
What wireless modes are you using?  Can you let me know what information you're looking for here?
Modes like Mixed BGN modes and security modes being used like mixed TPIK and AES? Preferred modes are single mode N and WPA2 and AES only. Not mixed. Something to test.

What is the distance between the Camera and the main host router? The camera with the issue is actually the closest one to the router--maybe 20ft
How many other wireless devices do you have connected to the main host router? When not home just the 3 cameras, a phone being used as a camera and the Mycloud device. 3 more devices when at home.
Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences? The same phone has been in the same room since I got the camera and has not caused this issue, it is the same distance as the modem and has been closer in the past.
Any other WiFi routers in the area that maybe causing interferences? Link> Use a WiFi Scanner to find out. How many? No new ones, there are about 7

I am wary about port forwarding but I will look into setting the static address.
uPnP and uPnP Port Fowarding is safe to use. You can always turn it back if if it doesn't work.
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Cable:100mb/3Mb>Motorola SB6183>DIR-880L>HP 24pt Gb Switch. 3xDGL-4500s,DIR-857,835,827,815,890L,880L,868L,865L,836L,826L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L and a Boxee.
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PeepMe

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Re: DCS-934L video stream from your device was lost
« Reply #4 on: March 02, 2017, 12:27:22 PM »

What wireless modes are you using?  Can you let me know what information you're looking for here?
Modes like Mixed BGN modes and security modes being used like mixed TPIK and AES? Preferred modes are single mode N and WPA2 and AES only. Not mixed. Something to test.Oh, I see. I believe WPA only

I am wary about port forwarding but I will look into setting the static address.
uPnP and uPnP Port Fowarding is safe to use. You can always turn it back if if it doesn't work.Backend of router seemed to suggest against it but nobody else seems to have an issue with it. I'll read up more to feel more confident about opening up a port.

TY
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FurryNutz

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Re: DCS-934L video stream from your device was lost
« Reply #5 on: March 02, 2017, 12:42:27 PM »

What wireless modes are you using? Modes like Mixed BGN modes?

uPnP and uPnP Port Forwarding isn't opening up a port.


What wireless modes are you using?  Can you let me know what information you're looking for here?
Modes like Mixed BGN modes and security modes being used like mixed TPIK and AES? Preferred modes are single mode N and WPA2 and AES only. Not mixed. Something to test.Oh, I see. I believe WPA only

I am wary about port forwarding but I will look into setting the static address.
uPnP and uPnP Port Fowarding is safe to use. You can always turn it back if if it doesn't work.Backend of router seemed to suggest against it but nobody else seems to have an issue with it. I'll read up more to feel more confident about opening up a port.

TY
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Cable:100mb/3Mb>Motorola SB6183>DIR-880L>HP 24pt Gb Switch. 3xDGL-4500s,DIR-857,835,827,815,890L,880L,868L,865L,836L,826L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L and a Boxee.
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PeepMe

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Re: DCS-934L video stream from your device was lost
« Reply #6 on: March 07, 2017, 05:33:17 AM »

What wireless modes are you using? Modes like Mixed BGN modes? Sorry,I thought I responded to this. I think it's only WPA or WEP2 something like that

uPnP and uPnP Port Forwarding isn't opening up a port. When I attempted to do it about a year ago the warning that popped up in the modem dashboard warned against opening up a port that would/could be vulnerable. Since I don't have much experience/knowledge in that area, I left it alone. Next Tuesday, I will have more time to try again and show what it says.

Thanks! (I'm now having another issue...interesting that it worked well for so long and now things keep popping up. Maybe, I"ll disconnect and start again from scratch next week when I have more time to dedicate to it. Not sure if that would even make a difference.
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RYAT3

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Re: DCS-934L video stream from your device was lost
« Reply #7 on: March 07, 2017, 05:58:20 AM »

Is this on Tmobile?
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FurryNutz

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Re: DCS-934L video stream from your device was lost
« Reply #8 on: March 07, 2017, 06:50:04 AM »

Try setting a single mode N on the main host router. Wireless modes are not WPA security. It's a mode the wireless uses. It's a speed connection mode. WPA2 and AES security is recommended.

What wireless modes are you using? Modes like Mixed BGN modes? Sorry,I thought I responded to this. I think it's only WPA or WEP2 something like that

uPnP and uPnP Port Forwarding isn't opening up a port. When I attempted to do it about a year ago the warning that popped up in the modem dashboard warned against opening up a port that would/could be vulnerable. Since I don't have much experience/knowledge in that area, I left it alone. Next Tuesday, I will have more time to try again and show what it says.

Thanks! (I'm now having another issue...interesting that it worked well for so long and now things keep popping up. Maybe, I"ll disconnect and start again from scratch next week when I have more time to dedicate to it. Not sure if that would even make a difference.
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Cable:100mb/3Mb>Motorola SB6183>DIR-880L>HP 24pt Gb Switch. 3xDGL-4500s,DIR-857,835,827,815,890L,880L,868L,865L,836L,826L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L and a Boxee.
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PeepMe

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Re: DCS-934L video stream from your device was lost
« Reply #9 on: March 31, 2017, 10:05:53 AM »

Hi - Finally able to look into this further.
I have a 2.4 wifi network which the current setting is: 802.11 g/n and the security mode is WPSWPA2-PSK(TKIP/AES)
I have a 5.1 wifi network which the current setting is: 802.11 a/n/acn and the security mode is WPSWPA2-PSK(TKIP/AES
*not sure I need to change anything now though but if you think the changes will lead to a more stable experience, I will do so.

As a note, my original issue that I was not able to connect to the 1 camera, proved even more mysterious when I returned home. The camera worked fine (meaning connected/I was able to view) on my phone and tablet (obviously now that I am on the same network). However, I was still unable to connect via the mydlink.com module!

Thanks again.
*I will now look into the port forwarding, do you have any suggestions on a website that will give port forwarding for dummies instructions? LOL

Try setting a single mode N on the main host router. Wireless modes are not WPA security. It's a mode the wireless uses. It's a speed connection mode. WPA2 and AES security is recommended.

What wireless modes are you using? Modes like Mixed BGN modes? Sorry,I thought I responded to this. I think it's only WPA or WEP2 something like that

uPnP and uPnP Port Forwarding isn't opening up a port. When I attempted to do it about a year ago the warning that popped up in the modem dashboard warned against opening up a port that would/could be vulnerable. Since I don't have much experience/knowledge in that area, I left it alone. Next Tuesday, I will have more time to try again and show what it says.

Thanks! (I'm now having another issue...interesting that it worked well for so long and now things keep popping up. Maybe, I"ll disconnect and start again from scratch next week when I have more time to dedicate to it. Not sure if that would even make a difference.
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FurryNutz

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Re: DCS-934L video stream from your device was lost
« Reply #10 on: March 31, 2017, 10:19:12 AM »

What cell service are you using?

Can you connect to the camera via mydlink.com via a LAN PC at home or from work?
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PeepMe

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Re: DCS-934L video stream from your device was lost
« Reply #11 on: March 31, 2017, 10:51:40 AM »

Now that I'm home no issue connecting and I only accessed when I was on a secured wifi while I was away. However, I have verizon.
I am still unable to access the camera via mydlink.com. So, as you might imagine, I can't even access the dashboard/settings to delete the camera and start again.  I have unplugged the camera and this has not resolved that issue. HOWEVER, I can access to view on the app I use to view/record as well as via the android mydlink app.
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FurryNutz

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Re: DCS-934L video stream from your device was lost
« Reply #12 on: March 31, 2017, 11:03:55 AM »

I recommend that you phone contact your regional D-Link support office and ask for help and information regarding this. This seems like a MDL service issue. Reference this forum thread. We find that phone contact has better immediate results over using email.
Let us know how it goes please.
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PeepMe

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Re: DCS-934L video stream from your device was lost
« Reply #13 on: March 31, 2017, 04:23:43 PM »

Thanks...I'll do that
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PeepMe

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Re: DCS-934L video stream from your device was lost
« Reply #14 on: April 05, 2017, 07:35:17 AM »

Ok. Call me a conspiracy theorist if you want but...I didn't realize the support was open 24/7 and didn't go to cal until Monday. On Monday, the same camera in question went offline! I had to start from the beginning. Now, as you can imagine, I can access the camera via mydlink.com. No complaints, this has just been a strange turn of events.
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