This article was previously published under Q300470
When attempting to establish a Remote Desktop connection to connect to another computer, you may receive the following error message:
You cannot initiate a Remote Desktop Connection because the Windows logon software on the remote computer has been replaced by incompatible software
path to Graphical Identification and Authentication file
To correct this problem, please have the administrator of the remote computer contact the program vendor for a version that is compatible with Windows.
This problem can occur if the Graphical Identification and Authentication file (by default, Msgina.dll) that is installed on the remote computer is not compatible with Remote Desktop.
To resolve this problem, contact the manufacturer of the incompatible Graphical Identification and Authentication file to inquire about the availability of a version of this file that is compatible with Windows XP, or uninstall the software that has replaced the Graphical Identification and Authentication file.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
To determine the manufacturer or program that has installed the incompatible Graphical Identification and Authentication file:
Use Windows Explorer to locate the file that is referenced in the "Symptoms" section of this article.