I am trying to map persistent drives using New-PSDrive on a remote winrm session, but when I opened a new session the mapping driver got the status of "Unavailable". I am using CREDSSP

Session A creating the mapping

$credentials = Get-Credential user
$session = New-PSSession -ComputerName Server1 -Credential $credentials -Authentication CredSSP
$computername = "Server2"
Invoke-Command -Session $session -ScriptBlock {

param($computername)
New-PSDrive -PSProvider FileSystem -Name "X" -Root "\$computername\scripts" -Persist -Verbose -Scope Global
} -ArgumentList $computername

Session B checking the mapping

$credentials = Get-Credential user
$session = New-PSSession -ComputerName Server1 -Credential $credentials -Authentication CredSSP
$computername = "Server2"

Invoke-Command -Session $session -ScriptBlock {
get-PSDrive
net use
}

Session B return:

Status Local Remote Network

Unavailable X: \Server2\scripts Microsoft Windows Network
The command completed successfully.

Am I doing something wrong?
or this is not possible?