Security News > 2021 > October > Microsoft: Windows KB5006674, KB5006670 updates break printing

Microsoft says Windows customers are experiencing issues with network printing after installing the Windows 11 KB5006674 and Windows 10 KB5006670 updates issued with this month's Patch Tuesday, on October 12.

Client: Windows 11, version 21H2; Windows 10, version 21H1; Windows 10, version 20H2; Windows 10, version 2004; Windows 10, version 1909; Windows 10, version 1809; Windows 10 Enterprise LTSC 2019; Windows 10, version 1607; Windows 8.1; Windows 7 SP1. Server: Windows Server 2022; Windows Server, version 20H2; Windows Server, version 2004; Windows Server, version 1909; Windows Server, version 1809; Windows Server 2008 SP2. As Redmond explains, this known issue affecting printing on both client and server Windows platforms is specific to printer servers which are more commonly found in enterprise environments.

Microsoft said it's working on finding a solution to allow print clients to establish RPC packet privacy connections to Windows print servers using RPC over SMB. Users plagued by printing problems the last two weeks.

Windows 10 admins and users have been reporting widescale network printing issues in a 14-page forum topic at BleepingComputerfor for the last two weeks since the October Patch Tuesday updates have been released.

The issues have gotten so bad that Windows admins have resorted to replacing Windows DLLs with older versions to re-enable printing.

The steps should ONLY be taken on affected print servers that meet the following prerequisite: "Print clients must have installed a Windows update released on or after January 2021 before the print server has installed" the October 2021 updates.

News URL

https://www.bleepingcomputer.com/news/microsoft/microsoft-windows-kb5006674-kb5006670-updates-break-printing/