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Home > Success Center > Engineer's ToolSet (ETS) > Getting 'Credential Test Failed' on Switchport Mapper

Getting 'Credential Test Failed' on Switchport Mapper

Updated October 24, 2017


When you do a credential test on a device using the "Manage Credentials" window, it passes the test. However, when you map ports through Switchport Mapper on the same device and use the saved credentials, it returns a 'Credential Test Fail' error.


  • Engineer's Toolset


The Read/Write option is selected on the "Manage Credentials" window.


  1. Uncheck the Read/Write option on the "Manage Credentials" window and save it.


Read/Write is not needed on the Switchport Mapper tool. It is always read-only.




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