2475146 - SUM : logon via SAP Host Agent is failing "Unable to locate the requested resource" or "<hostname>\<sidadm> is not authorized to process the operation ExecuteOperation"

You have registered the Software Update Manager (SUM) with SAP Host Agent

You entered the URL for SUM in the browser and get the following error:

Not Found

Unable to locate the requested resource

Checking the log file /usr/sap/hostctrl/work/sapstartsrv.log, you see following error:

[[Thr 140461600352000] *** ERROR => ConnectContext for /lmsl/sumjava/SID failed [Operation [id=901B0E82D84A1EE6B4EB8F9DD0DF4B2A] 
terminated with errors : 9 ()
] [HTTPProxyHan 711]

OR

DIR_SAPHOSTAGENT\work\sapstartsrv.log shows below error

==========

[Thr 4268] Thu Mar 26 20:14:32 2020
[Thr 4268] HTTPHandlerManager : HTTP Handler found for /lmsl/sumabap/<SID>/manual_actions?xsl=0&_=1585251362394
[Thr 4268] *** WARNING => Invalid file 'runnings.commands\005056A59D061ED79FB012010D7D4108_0_6684_4294967294' [PersistentOp 343]
[Thr 4268] *** ERROR => Permission denied: user <hostname>\<sidadm> has no permission for operation 005056A59D061ED79FB012010D7D4108 [OperationPlu 326]
[Thr 4268] *** WARNING => Invalid file 'runnings.commands\005056A59D061ED79FB012010D7D4108_0_6684_4294967294' [PersistentOp 343]
[Thr 4268] *** ERROR => Permission denied: user <hostname>\<sidadm> has no permission to retrieve the results of operation 005056A59D061ED79FB012010D7D4108 [OperationPlu 391]
==========

Please note that the above is just an example and it could show a different id.

\ is not authorized to process the operation ExecuteOperation""> Read more...

SUM

SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP NetWeaver 7.1 ; SAP NetWeaver 7.2 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP Solution Manager 7.2 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

upgrade, SUM, not authorized, ExecuteOperation, Forbidden, 403, Unable to locate the requested resource, runnings.commands , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem