SharePoint 2016: Databases running in compatibility range, upgrade recommended

Title  Databases running in compatibility range, upgrade recommended.  

Severity  2 - Warning  

Category  Configuration  

Explanation  

The following databases have versions that are older than the current SharePoint software, but are within the backwards compatible range: 

SharePoint_AdminContent_7ab62081-07ab-4218-893b-4baace21803c. 

Remedy  

To achieve optimal results from these databases, use Upgrade-SPContentDatabase to upgrade Content databases, or psconfig.exe to upgrade other databases.  For more information about this rule, see "http://go.microsoft.com/fwlink/?LinkID=142697".

Failing Servers   

Failing Services  

SPTimerService (SPTimerV4) 

1. Check database status:
1. In Central Administration, navigate to: Upgrade and Migration > Upgrade and Patch Management > Review database status.
2. Found that the Central Administration content database was listed as Database is in compatibility range and upgrade is recommended.

Solution:

Execute PSCONFIG

1. In an elevated SharePoint Management Shell, executed: Psconfig.exe -cmd upgrade -inplace b2b -wait -force.  Completed successfully.
   
   Psconfig.exe -cmd upgrade -inplace b2b -wait -for
   SharePoint Products Configuration Wizard version 16.0.4444.1000. Copyright (C) M
   Microsoft Corporation 2016. All rights reserved.
   Performing configuration task 1 of 4
   Initializing SharePoint Products upgrade...
   Waiting to get a lock to upgrade the farm.
   Successfully initialized the SharePoint Products configuration.
   Performing configuration task 2 of 4
   Initiating the upgrade sequence...
   Successfully initiated the upgrade sequence.
   Performing configuration task 3 of 4
   Upgrading SharePoint Products...
   100.00% :
   Successfully upgraded SharePoint Products.
   Performing configuration task 4 of 4
   Finalizing the SharePoint Products configuration...
   Successfully completed the SharePoint Products configuration.
   Total number of configuration settings run: 4
   Total number of successful configuration settings: 4
   Total number of unsuccessful configuration settings: 0
   Successfully stopped the configuration of SharePoint Products.
   Configuration of the SharePoint Products has succeeded.

1. Navigate to: Upgrade and Migration > Upgrade and Patch Management > Review database status

Run it in all the Sharepoint servers if you have more than one.

"PSConfig.exe -cmd upgrade -inplace b2b -force -cmd applicationcontent -install -cmd installfeatures