Random Battle.net disconnections

Technical Support
1

Hey. I’ve had a problem for some months now and it’s driving me crazy. The bnet app seems to lose connection to Blizzard servers and disconnects me at random times. I left some competitive matches because of that. Opening the cmd tab and typing ipconfig /flushdns seems to fix the problem and reconnects me to the servers, but the bug still occurs later on.

I’ve tried every possible steps on the forums, nothing worked. Here are my traceroute and MTR. Thanks in advance. (I added - before the links to delete them)

TRACEROUTE:
traceroute to 78.195.181.187 (78.195.181.187), 15 hops max, 60 byte packets
1 Blizzard Blizzard 0.349 ms 0.330 ms 0.329 ms
2 37.244.24.130 (37.244.24.130) 0.521 ms 0.650 ms 0.723 ms
3 Blizzard Blizzard 1.147 ms 1.202 ms 1.252 ms
4 137.221.66.42 (137.221.66.42) 0.729 ms 0.730 ms 0.831 ms
5 137.221.78.66 (137.221.78.66) 6.022 ms 6.042 ms 6.041 ms
6 137.221.78.32 (137.221.78.32) 0.882 ms 0.895 ms 0.873 ms
7 -amsix-6k-1.routers.proxad.net (80.249.208.251) 1.574 ms 1.565 ms 1.609 ms
8 -francfort-6k-1-po101.intf.routers.proxad.net (212.27.56.37) 8.267 ms 8.287 ms 8.374 ms
9 * * *
10 * * *
11 * * *
12 78.254.17.140 (78.254.17.140) 20.186 ms 20.323 ms 20.306 ms
13 -auc62-2-78-195-181-187.fbx.proxad.net (78.195.181.187) 28.656 ms 28.041 ms 30.222 ms

04/03/2019 19:56:16 UTC

MTR:
Start: Mon Mar 4 19:56:16 2019 Blizzard 1.|-- Blizzard 0.0% 10 0.3 0.3 0.3 0.4 0.0
2.|-- 37.244.24.130 0.0% 10 20.4 4.1 0.5 20.4 6.7
3.|-- Blizzard 0.0% 10 1.0 1.3 1.0 2.4 0.3
4.|-- 137.221.66.42 0.0% 10 0.7 1.4 0.7 5.5 1.3
5.|-- 137.221.78.66 0.0% 10 3.5 2.8 0.9 16.2 4.7
6.|-- 137.221.78.32 0.0% 10 1.0 0.9 0.8 1.0 0.0
7.|-- -amsix-6k-1.routers.proxad.net 0.0% 10 1.5 1.6 1.5 2.0 0.0
8.|-- -francfort-6k-1-po101.intf.routers.proxad.net 0.0% 10 8.4 8.3 8.2 8.5 0.0
9.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
10.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
11.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
12.|-- 78.254.17.140 0.0% 10 20.1 20.2 20.1 20.3 0.0
13.|-- -auc62-2-78-195-181-187.fbx.proxad.net 0.0% 10 28.0 28.7 27.2 34.4 2.0

04/03/2019 19:56:16 UTC

2

Have you tried using another DNS? Like Google’s 8.8.8.8?

3

Yes, I tried both Google’s DNS and OpenDNS, but it still happens.

4

How often are the disconnects? Some modem/router combos from the ISP are set to release/renew your IP every 58-62 minutes, so maybe it’s that? Your network tests don’t look bad at all, but we might be best served with a WinMTR that you run for 5-10mins, or until you have the problem (it won’t lag you or anything). You can post the results here.

5

I’m not quite sure, sometimes I can play for a few hours without having any disconnections, and all of a sudden get disconnected every 45 minutes. I don’t think it comes from my modem since /flushdns fixes it. I’ve also tried /flushdns before launching a game but I still ended up being disconnected about an hour later. Here’s the WinMTR. (ran it for about 10 minutes, had no disconnection)

|------------------------------------------------------------------------------------------|

| WinMTR statistics |

| Host - % | Sent | Recv | Best | Avrg | Wrst | Last |

|------------------------------------------------|------|------|------|------|------|------|

| FREEBOX - 0 | 521 | 521 | 0 | 0 | 1 | 0 |

| -auc62-2-78-195-181-254.fbx.proxad.net - 1 | 517 | 516 | 7 | 24 | 318 | 8 |

| 213.228.12.190 - 0 | 521 | 521 | 8 | 25 | 367 | 9 |

|-p11-crs16-1-be1122.intf.rouuters.proxad.net - 10 | 373 | 336 | 12 | 28 | 373 | 13 |

| 194.149.166.21 - 12 | 357 | 316 | 12 | 30 | 332 | 14 |

|-amsterdam-9k-1-be1004.intf.routers.proxad.net - 1 | 517 | 516 | 26 | 43 | 339 | 29 |

| 80.249.208.83 - 1 | 517 | 516 | 27 | 42 | 386 | 29 |

| -ae1-br02-eqam1.as57976.net - 0 | 514 | 514 | 36 | 90 | 2419 | 50 |

| -et-0-0-3-br02-eqpa4.as57976.net - 1 | 517 | 516 | 23 | 46 | 695 | 60 |

| -be2-pe01-eqpa4.as57976.net - 1 | 517 | 516 | 36 | 54 | 348 | 36 |

| 185.60.114.159 - 1 | 517 | 516 | 36 | 52 | 347 | 37 |

|________________________________________________|______|______|______|______|______|______|

WinMTR v0.92 GPL V2 by Appnor MSP - Fully Managed Hosting & Cloud Provider

6

Do you have any software to optimize your connection installed? Something like Gigabyte LAN Optimizer KillerNIC? These can also interfere with connections to Blizzard games.

I will say that the response time on your modem/ISP line is relatively high at 318ms for the “worst” column. Additionally, the test is showing 10-12% packet loss on the hops right after the one coming to your home. Whether these numbers are inflated by equipment designed to not respond to all ping requests is unknown, since I don’t work for your ISP. However, it wouldn’t hurt to give them a call and have them check out your connection from their end, or send a tech out to check the lines. These test results will help if you have a way to forward them to your ISP (email/Twitter).

7

I’ve got an MSI motherboard. My network drivers are managed by an app called Killer Control Center (used to be called Killer Network Manager), but I don’t use the optimizer. Do you think it may have an effect anyways ?
I’ll call my ISP to see if there’s anything wrong with my connection, but it seems odd to me that it would only affect Battlenet.

8

Definitely. They have a post about it in known issues, so I’d try removing it and see if it helps.
https://us.forums.blizzard.com/en/overwatch/t/known-technical-support-issues/25/8?u=nicole-1893

9

I tried uninstalling it but it totally removes my network drivers and disables internet lol. I reinstalled it and I tried disabling “Advanced Stream Detect”. I’ll see if it has any impact and will come back to you. Thanks.

10

Hello Waxer :wave:

To add on to what Nicole pointed out about the Killer devices, there is a ‘driver only’ package you can get from their support page that you should use instead if you’re removing the control panel and its extra features:

:link: Intel® Killer™ Wireless Series – Gaming-Grade Wi-Fi

Best of luck in your adventures :slight_smile:

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