Configuration Manager clients deployed to Mac computers receive duplicate GUIDs.Plus the environment is using enhanced HTTP for communication with distribution points. This occurs if the BranchCache Windows feature is enabled. The content download step of a task sequence may fail to download files to clients.Adding a passive site into a SCCM infrastructure with at least 1 secondary site triggers a re-installation of all secondary sites.Intranet clients don’t fall back to another management point if the preferred MP is also a cloud management gateway.Computers unexpectedly get removed from orchestration groups.ContentDefinition::TotalFileSizes failed 0x80070003. ContentDefinition::GetFileProperties failed 0x80070003. Client computers log the following errors in SMSPXE.log during PXE boot.Execmgr.log repeats Device is not MDM enrolled yet.KB4578605 includes lots of fixes and few of them include. Issues Fixed in ConfigMgr 2006 Hotfix Rollup KB4578605
Furthermore, after you install this update on a primary site, pre-existing secondary sites must be manually updated. You don’t have to restart your server post installing this update.
On production environments, run a prerequisite check before installing the update.
If you don’t see the update, click Check for Updates. To install the hotfix KB4578605, go to Updates and Servicing node of the ConfigMgr console. The update KB 4578605 applies to customers who opted in to the early update ring deployment and customers who installed the SCCM 2006 globally available release. The ConfigMgr 2006 KB4578605 update fixes several issues including the Configuration Manager clients unable to download Office 365 updates. This is an important release and contains several fixes. There is a new SCCM 2006 hotfix KB4578605 released by ConfigMgr team today.