
Hi @Dave Nordin ,
Please have a try to the below solution to this issue(Note: run all PowerShell (PS) commands as an administrator in an elevated PowerShell window – need 2 pre-opened windows):
- Turn off all the following services (you can do this in your first PowerShell window). net stop SPTraceV4; net stop SPWriterV4; net stop SPAdminV4; net stop SPTimerV4; net stop w3svc
- Manually stop both search services (in the services GUI on the SP server). Then run the following command in your second PowerShell window. stsadm -o setproperty -pn command-line-upgrade-running -pv No
- Flush the Config Cache follow this blog post and run the following PowerShell in your second PowerShell window. PSConfig.exe -cmd upgrade -inplace b2b -force -cmd applicationcontent -install -cmd installfeatures
- As soon as it reaches the step where the error appeared before in the upgrade process, in the first elevated PS window, run the following PS. net start SPTraceV4; net start SPWriterV4; net start SPAdminV4; net start SPTimerV4; net start w3svc
- Quickly and manually start the two search services (in the Services GUI on the SP Server). The upgrade process should complete successfully after this.
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