After the recent CU Update for SharePoint 2016, there is some points to keep in mind.
You downloaded and installed
KB 3118289 – Update for SharePoint Server 2016 September 2016 (language independent)
KB 3118295 – Update for SharePoint Server 2016 September 2016 (language dependent fixes)
For Office Server
KB 3118299 – Update for Office Online Server 2016 September 2016
PSConfig.exe -cmd upgrade -inplace b2b -wait -cmd applicationcontent -install -cmd installfeatures -cmd secureresources -cmd services -install
Usage: PSCONFIG.EXE -cmd <Command> [Parameters] PSCONFIG.EXE -help [Command] PSCONFIG.EXE -? Commands: configdb helpcollections secureresources services installfeatures adminvs upgrade applicationcontent quiet
Ensure everything is updated, don’t miss a thing
ANY PROBLEM just delete the “-” from “-install” and type again
- applicationcontent - Copies shared application data (for example, resource files and Web application binaries) to existing Web application virtual directories;
- installfeatures - Registers any SharePoint Products and Technologies features located on the file system of this server with the server farm;
- secureresources - Performs SharePoint Products resource security enforcement on the server. For example, security is enforced on files, folders, and registry keys.
If you are separating the CU install from the PSCONFIG, should be required to run the bellow command to unsure that all application content be upgraded.
In any case you should have some WARNINGS, it should be OK, the result it’s what you expect.
Attempted to set SchemaVersion to 16.0.4432.1000 < 16.0.4432.1003 on Database SOME_Content_CentralAdmin, Status = Online -- skipping.
Attempted to set SchemaVersion to 16.0.4432.1000 < 16.0.4432.1003 on Database SOME_Content_Portal, Status = Upgrading -- skipping.