How to fix BLZ51903003 Error (World of Warcraft)


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A lot of users are complaining about getting the “error has occurred, please try again later” message. To be precise, the (BLZ51903003) message. In this article you will find all possible solutions and fixes to this error.


Most times, when a significant amount of people are complaining about the same error, then the problem is likely a server issue. In this case, a Wow server issue. But still, we can still try and get things sorted out from our end.

There are 2 methods that you can try to use to fix the BLZ51903003 error in World of Warcraft. There is a workaround too for this. Continue reading to find out how.

Method 1: Flushing Domain Name Server(DNS).

You need to open an administrative command prompt windows. In Windows 8 and windows 10, to do so, Press Win+C in combination to bring up the ‘Charms bar’. In its search box, type cmd. Then, right-click on it and choose ‘Run as administrator’ option. Alternatively, you can also open an elevated command prompt from the WinX menu.

Next, type the following and hit enter:

ipconfig /flushdns

You should be able to see a confirmation dialog window:


Windows IP Configuration. Successfully flushed the DNS Resolver Cache.

That is it, Now close command prompt window and try to Login again. This time, you should be able to log in seamlessly without BLZ51903003 error.

Method 2: Creating New account.

If you are unsuccessfully with your attempt in using method 1 to fix the issue, then you may consider creating a free new account. This method has worked for many users.

Although, this is not a permanent fix to the issue, but it can be a great workaround to the issue. You may consider creating a new account to see if it would also work for you.

If none of the above mentioned method works for you, then sadly there isn’t much that you can do, you would have to wait for the developers of the game to fix the Error Code BLZ51903003 in World of Warcraft for you.

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