WinSCP appears to ignore $session.Timeout
Hello,
I have a PowerShell script that is connecting to an SFTP server with a directory containing upwards of 200,000 files we need to download. Unfortunately, after 60 seconds, we are receiving a timeout error. I added the
Basic Info
WinSCP version: 5.17.6 (Build 10516). Unfortunately, upgrading to a more recent version is not an option for us at this point due to our update cycle.
Windows: Windows Server 2016 Standard version 1607
Transfer Protocol: SFTP with private key authentication
Scripting with PowerShell
Error Message:
Script:
I have a PowerShell script that is connecting to an SFTP server with a directory containing upwards of 200,000 files we need to download. Unfortunately, after 60 seconds, we are receiving a timeout error. I added the
$session.Timeout parameter and set it to 120, but it appears that WinSCP is now exiting with an error immediately. My script is below, and I will also attach the session log and debug log.
Basic Info
WinSCP version: 5.17.6 (Build 10516). Unfortunately, upgrading to a more recent version is not an option for us at this point due to our update cycle.
Windows: Windows Server 2016 Standard version 1607
Transfer Protocol: SFTP with private key authentication
Scripting with PowerShell
Error Message:
D:\Temp\Script\Miscellaneous\script.ps1 : Exception calling "Open" with "1" argument(s): "Timeout waiting for WinSCP to respond - WinSCP has not responded in time. There was no output. Response log file C:\Users\user\AppData\Local\Temp\11\wscp8BA8.007A1AA3.tmp was not created. This could indicate lack of write permissions to the log folder or problems starting WinSCP itself." At line:1 char:1 + D:\Temp\Script\Miscellaneous\script.ps1 ` + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [script.ps1], MethodInvocationException + FullyQualifiedErrorId : TimeoutException,script.ps1
[CmdletBinding()] param ( [Parameter(Mandatory = $false)] [string] $winSCPLocation, [Parameter(Mandatory = $false)] [string] $sourceUser, [Parameter(Mandatory = $false)] [string] $sourceAddress, [Parameter(Mandatory = $false)] [int] $sourcePort, [Parameter(Mandatory = $false)] [string] $sourcePrivateKeyPath, [Parameter(Mandatory = $false)] [string] $logDirectory ) $date = Get-Date -Format 'yyyy-MM-dd HH:mm:ss' $fileDate = Get-Date -Format 'yyyyMMdd_HHmmss' Add-Type -Path $winSCPLocation # Setup session options $sessionOptions = New-Object WinSCP.SessionOptions -Property @{ Protocol = [WinSCP.Protocol]::"sftp" HostName = $sourceAddress UserName = $sourceUser PortNumber = $sourcePort GiveUpSecurityAndAcceptAnySshHostKey = 1 } $sessionOptions.SshPrivateKeyPath = "$sourcePrivateKeyPath" #Set Key Exchange Algorithm Selection Policy $sessionOptions.AddRawSettings("KEX", "ecdh,dh-gex-sha1,dh-group14-sha1,rsa,dh-group1-sha1,WARN") #Set Optimize Connection Buffer Size to off (0) and set SshSimple to 1 to completely disable optimzation of connection buffer size $sessionOptions.AddRawSettings("SendBuf",0) $sessionOptions.AddRawSettings("SshSimple",1) $session = New-Object WinSCP.Session $sessionLogPathWinSCP = "$logDirectory\WinSCPSession_$fileDate.log" $session.SessionLogPath = $sessionLogPathWinSCP $winSCPSessionLogLocation = "WinSCP Session Log Location: $sessionLogPathWinSCP" $debugLogPathWinSCP = "$logDirectory\WinSCPDebug_$fileDate.log" $session.DebugLogPath = $debugLogPathWinSCP $session.DebugLogLevel = 2 $winSCPDebugLogLocation = "WinSCP Debug Log Location: $debugLogPathWinSCP" $session.Timeout = 120 Write-Host "Attempting connection for sftp" $session.Open($sessionOptions) Write-Host "sftp Connection Established - Still Connected" $FileList = $session.ListDirectory($fileDirectory) $FileList.Files | FT $session.Dispose()
