Recently I came across this issue and in SharePoint 2013 farm and find too many entries for Event ID 8313. When used process explorer I find out too many permission issues for the SP Service accounts on files and registry keys as well.
Event TextA failure was reported when trying to invoke a service application: EndpointFailure Process Name: OWSTIMER Process ID: 2604 AppDomain Name: DefaultDomain AppDomain ID: 1 Service Application Uri: urn:schemas-microsoft-com:sharepoint:service:e83f1cd236394b70beb0998888addcbc#authority=urn:uuid:8bca10c5c19a429289a7eea7f5159e86&authority=https://ServerName:32844/Topology/topology.svc Active Endpoints: 2 Failed Endpoints: 1 Affected Endpoint:http://Serevrname:32843/e83f1cd236fgfgfgfbeb0998888addcbc/Metadatawebservice.svc Source SharePoint Foundation Event ID 8313 Level Error User : spfarm
Solution: When used process explorer I find out too many permission issues for the SP Service accounts on files and registry keys as well. Also notice that Managed Meta Data service was running on the server it’s not supposed to. I stopped the service as it is running on another app server and run the following command to resolve permissions issue.
Another power shell command for the same purpose is
“Initialize-SPResourceSecurity “ to enforces security for all resources, including files, folders, and registry keys on Local Server.