How to Fix Juno Error code 645 | Internal Authentication Error



Nowadays, many Juno email users are facing some common connectivity issues such as Internal Authentication Error 645. If you have also come across such issues, then no need to worry about this blog, we will give you the solution for the same technical snags. Actually, this error occurs because you're a new incompatibility between your modem and network configuration.
First of all download Juno Connection Wizard, which is a new tool to recognize and fix many common concerns that may stop you from effectively connecting to the Internet. 

Note: This is for Windows Operating System users only.


Steps to Fix Juno Error code 645 are as follows: 
Step-1: Click here to download the Connection Wizard and then check your modem configured correctly or not.
Step-2: To check modem settings, follow click on the Windows Start button-> Settings-> select Control Panel.
Step-3: Double click on the Modems icon.
Step-4: Now, click on the modem to install it and the go to the Properties button.
Step-5: Choice the “General tab” -> Maximum Speed section. After this modify the settings that match your modem.
1) If you have a modem like 33.6 or 28.8, then select 38400
2) If you have either a Flex or 56k modem, then select 57600
Step-6:  Verify the box “only connect at this speed” is NOT checked.

Step-7:  Now click on the OK button and after this close the Control Panel.
Step-8:  From your desktop, double click on the icon My Computer-> double click on the “Dial-Up Networking”
Step-9: Now click on the icon Juno from the “File” menu and then select Properties.
Step-10: After this, click on the Configure button

Step-11: Select the General tab-> Maximum Speed and then adjust settings according to the modem.
That’s all for now, if you are still unable to follow these steps, then don’t waste your time anywhere else just call on the Juno service number to get real time support from experts. In addition, you can get reliable third-party Juno customer service phone number from online phone directory Mycustomerservice with ease.

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