STEP 1
Open User Manager, Enter Username and Password then click OK
Settings – SunSystems 5- Manage Application Role
Fill Application Role Name, Application Role Password, Re-enter Password, OK, OK
STEP 2
You need to continue with STEP 2 if you do fail in STEP 1
Usually, the problem was in Password Policy as you see in next image
continue next step.....
Search and Open Local Security Policy, "change Password must meet complexity requirement" from Enable to Disable
Change to Disable - Apply - OK
Go back to STEP 1