Network Error 633: The Modem Is Already in Use or Is Not Configured [Solution]
11Network Error 633: The Modem Is Already in Use or Is Not Configured [Solution]
When a user tries to connect to the internet using a modem, Wi-Fi, or an Ethernet connection and comes across Error 633, there are a few things that could possibly be going wrong. Reports of this issue can be allied way back to the days of Windows Vista and have managed to live even today affecting hundreds of Windows 10 users. This guide is a walk-through of this well-documented VPN Error. Read on to understand what Error 633 is, its symptoms, causes, and fixes.
There is a pretty well-documented network problem with Windows computers which causes users to see an error message containing error code 633 whenever they try to connect to the internet using a modem, Wi-Fi or even a hard-wired Ethernet connection. Reports of this issue go way back to the days of Windows Vista, and the issue has lived through the numerous versions of the Windows Operating System that have been released since, now even affecting Windows 10 users.
This error may occur if the communication port used by your modem has been reserved by another software program. Error 633 also occurs when users set up multiple internet connections.
Issues addressed in this tutorial:
a modem is required for internet access
the router does not have the default account configured
the modem (or other connecting device)
why does my wifi say not configured
your modem seems to be not provisioned
the modem is already in use or not configured properly
modem is not ready for operation
We have lately been getting many reports from the users complaining about the Error 633 while trying to connect the system to the modem for internet connectivity. When they tried to connect the modem, they got an error message: “Error 633: The modem (or other connecting device) is already in use or is not configured properly“.
The reasons behind this error can be outdated network drivers, conflict with the TCP port, etc. After researching in-depth for some time, we gathered a set of solutions that would definitely assist the users in resolving this error and can connect the modem successfully.
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei , Microsoft Surface, and Samsung.