Microsoft have re-issued a July fix for a bug that had prevented some network administrators from using the company’s primary business patch management tool to deploy security updates.

The revised patch, which was posted to Windows Update on Tuesday and is now available for automatic download and installation, is designed to address an issue with the Windows Server Update Services (WSUS), the free add-on to Windows server software that lets companies feed security updates to client systems.

Microsoft noted in a revised security advisory 954960 that Administrators who had already manually downloaded and installed a re-patch between 1 August and Tuesday will not need to do so again via Windows Update.

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