PermissionDenied without even trying

Same issue--I logged into the server to run the same command and it keeps saying permission denied. I've hardcoded the whole command and it still fails.

Initialize-F5.iControl : Could not initialize connection with supplied informat
ion
At C:\projects\helpers\bigip.ps1:226 char:36
+   $success = Initialize-F5.iControl <<<<  -HostName $g_bigip -Username $g_uid
 -Password $g_pwd;
    + CategoryInfo          : PermissionDenied: (x.x.x.x:String) [Initialize 
   -F5.iControl], Exception
    + FullyQualifiedErrorId : 2,iControlSnapIn.CmdLet.Global.InitializeiContro 
   l
 
C:\projects\helpers\bigip.ps1 : ERROR: iControl subsystem not initialized
At line:3 char:2
+ . <<<<  c:\projects\helpers\bigip.ps1 "x.x.x.x" "username" "
password" "poolname" "x.x.x.x:z"}
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorExcep 
   tion
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorExceptio 
   n,bigip.ps1