Problema Login . You have been disconected.(BLZ51901306).

[Juhziz]

@Denim, read previously posts pls, you have another idea...?

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[Quick22]

(BLZ51901306). A connection issue with the authentication servers caused players who had not logged in and out of the game recently or who had recently patched their game to become stuck in the authentication process. The error was resolved on the same day as database connections were restored. That.s what i found after 2 h of searching. Also i tryed flush dns. About ip renew. seems like it.s not working Media disconected

[Quick22]

@Shokeru

[Quick22]

packets transmitted 9
received 0
packet loss 100 %
time 8013 ms . Something with packets.

[Shocker]

We don't know what's causing error BLZ51901306, https://forum.wow-freakz.com/BLZ51901306-can-t-login-to-in-game-account-t479974.html
Googling also doesn't help, nobody seems to know exactly

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[Juhziz]

Quick22, you can try this?

Right click on Network from tray icon
Open network & Internet settings
Change adapter options
Right click on Ethernet(/your network device)
Properties
Configure...
Advanced
If you have an option to set the Speed&Duplex setting set it to 100BaseTX Full Duplex. / 1Gbps Full Duplex or max.
If you have an option to set the TCP/UDP Checksum Offload setting (IPv4), may vary in specific naming, disable this setting.

Changing these options will normally cause your connection to reset temporarily. You may also have to restart your system after changing these options to connect to the internet once more

After this, Remove the Temporary Files:
The first step to solving this problem is to delete your entire Cache folder(located in the World of Warcraft directory)
The second step to solving this problem is to delete your temporary data files (located in C:\\\\Windows\\\\Temp) AND open Internet Explorer, press Left ALT button, Tools, Internet Options, General: Browsing history: Delete temporary files.

Log on wow-freakz.com website with your account, and switch realms 3-4 times (MOP>LEGION>LEGION>MOP).

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[Quick22]

I disabled TCV/UPD checksumm offload. IPV4. But About Speed. Duplex What i see it.s just 100 mbps. Max. Here is a ss. https://imgur.com/a/zNnKH. Ps.. Badly still same error.. What i solve it.s just to get angry .. xD

Update @ 18-11-2017, 15:39:08

Also before that. I didn.t had those setting. because i was connected to the wirless of my network. I used the cable

Update @ 18-11-2017, 15:46:23

https://imgur.com/a/TgpFY Just check. Should t he ipv6 be a probem if local area conecctions says. No internet acces.?

[Shocker]

Did you try using a VPN ?

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[Quick22]

Same error. With safe ip.

[Quick22]

I tryed on others servers . Legion . Same error. Cataclysm and Mop work fine. Without lag. On wotlk it.s like stuck on connected. I can.t figure out what.s missing. I tryed selective startup. Disable once by once. To find a broken service. Nothing.

[Quick22]

Solved !


Update @ 23-11-2017, 20:00:09

Thank Juhziz. Staff should be honored to have u. Missed a step of your set-up .

[Juhziz]

What step? Please tell me exactly which guide was worked

@Quick22

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[Quick22]

I removed temporary files. Then check services tab . disabled all from unknow publisher. Then. I had disabled net tcp port sharing. Basicaly entire files named tcp port was disabled in services. Enabled all. Restart pc. And it work

[Shocker]

Quick22 wrote:

I tryed on others servers . Legion . Same error. Cataclysm and Mop work fine. Without lag. On wotlk it.s like stuck on connected. I can.t figure out what.s missing. I tryed selective startup. Disable once by once. To find a broken service. Nothing.

Legion has a totally different connection mechanic than older versions, so no reason to test on cata/mop/etc.

Quick22 wrote:

I removed temporary files. Then check services tab . disabled all from unknow publisher. Then. I had disabled net tcp port sharing. Basicaly entire files named tcp port was disabled in services. Enabled all. Restart pc. And it work

More detailed explanation with screenshots maybe? Please

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[Quick22]

First of all remove temporary files from internet explorer.

1. Type msconfig .. Services. Search for any kind of service who has Unknow Manufacturer . Disable them.
2 . Type msconfig in Run.
2. Services Tab . Look for Net. Tcp. Port Sharing Center ( https://imgur.com/a/wl94R ) . For me it.s running now. But i had it disabled..
3. To enable it do this. write services.msc in Run . (Local) task. Look for Net Tcp Port sharing Center . Change the startup type to automatic. Apply. Then ok.
4. Restart your pc. The old error should disappear. and remplace with a new one like We couldn't log you in with what you just entered. Please try again. (BLZ51900003) . Redownload the launcher.
-Also for windows like 8. 10 . Check in services task. For Intel(R) Content Protection HECI Service. .and Disc Soft Lite Bus Service . 2nd it.s from daemon tools tools lite. That harm your pc. Disable both. Same restart pc. And do the above .
If that don.t really help. That should be the solution. https://us.battle.net/support/en/article/23848