Just to add an update, below the exact error:
VERBOSE: POST http://172.22.32.55:81/SearchSvc/CVWebService.svc/Login with -1-byte payload
VERBOSE: received -1-byte response of content type application/json; charset=utf-8
ValidateResponse :
Status:
Message: The response content cannot be parsed because the Internet Explorer engine is not available, or Internet
Explorer's first-launch configuration is not complete. Specify the UseBasicParsing parameter and try again.
ErrorMessage:
RecommendedAction:
At C:\Program Files\WindowsPowerShell\Modules\Commvault.RESTSession\2.0.21\Commvault.RESTSession.psm1:560 char:13
+ ValidateResponse $response $output $ValidateProperty
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [Write-Error], WriteErrorException
+ FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,ValidateResponse