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There has been a specification change for Microsoft's guest logon function from Windows 11 24H2, which was released to the public by Microsoft on October 2, 2024. As a result, you may not be able to access the shared folder of the MFP from Windows 11 Pro Edition 24H2 or later.

How to deal with it

If Windows 11 Pro Edition 24H2 (and Windows 10/11 Enterprise, Education Edition) and Toshiba MFPs are on the same domain, you can continue to access the shared folder on the MFP as before.

If Windows 11 Pro Edition 24H2 (and Windows 10/11 Enterprise, Education Edition) and Toshiba MFPs are joined to a workgroup, please set the SMB Server Authentication setting (TopAccess - Admin - Setup - Network (SMB) ), disable “guest logon in” and set a username and password.

With the above settings, the Windows Security screen will be displayed when accessing the shared folder of the Toshiba MFP from Windows 11 Pro Edition 24H2.

On the displayed screen, enter the User name and Password registered in "SMB Server Authentication" of the MFP. If you check the "Remember my credentials" checkbox on the Windows Security screen, Since the MFP credentials are registered in the Windows OS Credential Manager, the Windows Security screen will not be displayed from the next time.

OS versions and MFPs that require the above support

OS version

OS version	Edition	MFP shared folder access		remarks
		Guest Logon: Enabled	Guest logon: Disabled
		(Default value)
Windows 11 24H2	Enterprise	Unable to connect	Connectable
	Education	Unable to connect	Connectable
	Pro	Unable to connect (Specification change)	Connectable	Prior to 23H2, connection is possible even if guest logon is enabled.
	Home	Connectable	Connectable
Windows 10 22H2	Enterprise	Unable to connect	Connectable	Prior to RS2 (1703), which is no longer supported, you can connect even if guest logon is enabled.
	Education	Unable to connect	Connectable
	Pro	Connectable	Connectable
	Home	Connectable	Connectable

MFPs
e-STUDIO (A/AC) series, Loops series