2342801 - Test Execution fails after recording (PFA) in migrated ALM 12.50 project

INFO Executing the selected test: Test_Upgrade Project - Test cycle.
INFO Starting the execution of the selected test: Test_Upgrade Project - Test cycle.
Error SAP TAO is unable to execute a test because Quality Center is not responding. This may be due to incomplete installation of the Quality Center client.
WARNING Test not executed; error while executing the test
INFO Refreshing report list ...
Error The path FF_ROOT_PATH\\Logs does not exist. The CBASE will create it for the first test execution. If an execution has already been performed, check your FF_ROOT_PATH.
INFO Report list refreshed
INFO Updating the test view

In the Frontend Logs:

2016-07-08 12:39:38:128 : INFO    : SAPTAO.exe : Thread01 (MainThread) : TaoActivator : The SapGui application is a COM component used by SAP TAO. It has been detected to be running with elevated priviledges. This will most likely prevent SAP TAO from communicating with it. Please restart this application without using the Run As Administrator mode. If it does not help, try restarting SAP TAO using the Run As Administrator mode. Trying anyway...authentication to the system under test <SID> is not possible (Name or password is incorrect (repeat logon)). Your test user <username> and/or the password might be incorrect. Please correct the credentials otherwise you may lock the user.

Failed authentication to QC

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SAP Solution Manager 7.1

SAP Solution Manager 7.0 ; SAP Solution Manager 7.1 ; SAP Solution Manager 7.2 ; SAP Test Acceleration and Optimization 1.0 ; SAP Test Acceleration and Optimization 2.0 ; SAP Test Acceleration and Optimization 3.0 ; SAP enhancement package 1 for SAP Solution Manager 7.0

TAO , KBA , SV-SMG-TAO , Test Accelerator and Optimization , Problem