try {
    # Import admin credentials
    $serverAddress = Get-Content -Path ".\DefaultServer.txt"
    $credential = Import-Clixml -Path ".\AdminCredential.xml"

    # Establish session with Exchange Server
    $session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://$serverAddress/PowerShell/ -Authentication Kerberos -Credential $credential
    Import-PSSession $session -DisableNameChecking

    # Parameter from batch script
    $identity = $args[0]

    # Debugging output for identity parameter
    Write-Output "Identity provided: $identity"

    # Attempt to fetch user's signature configuration
    try {
        $mailboxConfig = Get-MailboxMessageConfiguration -Identity $identity
        Write-Output "Mailbox configuration retrieved successfully."

        # Debugging output for mailbox configuration
        Write-Output "MailboxConfig: $mailboxConfig"

        $signatureHtml = $mailboxConfig.SignatureHtml

        if ($signatureHtml) {
            # Save signature as HTML file
            Write-Output "Signature found. Saving to .\UserSignature.html"
            Set-Content -Path ".\UserSignature.html" -Value $signatureHtml
        } else {
            # No HTML signature exists for this user
            Write-Output "No HTML signature found for user: $identity"
        }
    } catch {
        # Error retrieving mailbox configuration
        Write-Output "Failed to retrieve mailbox configuration for user: $identity. Error: $_"
    }
} catch {
    # General error handling for PowerShell session
    Write-Output "An error occurred: $_"
} finally {
    # Clean up the remote PowerShell session
    if ($session) {
        Write-Output "Cleaning up the session."
        Remove-PSSession $session
    }
}