If the error is intermittent due to network blips or file locks, build resilience directly into the SSIS package.
A: This is a known symptom of scheduled Windows Update reboots not clearing the buffer cache. Disable SysMain (SuperFetch) service. After disabling, ssis181 fixed is permanent. ssis181 fixed
If your file paths exceed 260 characters, SSIS will fail with a misleading access denied error. If the error is intermittent due to network
If fields like "Client Name" or "Service" do not display after an edit, press F5 or use the Refresh button on the toolbar to force a screen update. Version 15.3: Known Defects (Excel) ssis181 fixed