Steps to recreate WMI and Repair Corrupt WMI Services
WMI Error messages in execmgr.log file on SCCM clients · Failed to open to WMI namespace '\.rootccmPolicyMachine' (8007045b) · Failed to ConnectSettings for ICcmPolicyAgent in CSoftDistPolicyNamespace::ConnectToNamespace · Failed to ConnectToNamespace in CSoftDistPolicyNamespace::GetMachinePolicy · Failed to connect to machine policy name space. 0x8007045b · Failed to connect to user policy name space · CSoftwareDistPolicyMgr::GetSWDistSiteSettings failed to connect to machine namespace · Failed to instantiate UI Server {C2F23AE4-82D8-456F-A4AF-A2655D8CA726} with error 8000401a · Failed to instantiate UI Server 2 {E8425D59-451B-4978-A2AB-641470EB7C02} with error 8000401a · Failed to instantiate Updates UI Server {2D023958-73D0-4542-8AD6-9A507364F70E} with error 8000401a · Failed to instantiate VApp UI Server {00AAB372-0D6D-4976-B5F5-9BC7605E30BB} with error 0x8000401A