Bug #125872 for SMB: Authentication failure against Win2k8R2

The following code works as expected on Windows 10 but not on Windows Server 2008 R2 Standard 7601 Service Pack 1: use SMB::Client; my $h=shift; my $s=shift; my $client = SMB::Client->new("//$h/$s", username => 'administrator', password => ‘Mypass', log_level => SMB::LOG_LEVEL_DEBUG, ); my $tree = $client->connect_tree or die $!; # try another share if the first is not available # $tree ||= $client->connect_tree(share => 'c$') or die; # list all txt files in the share for my $file ($tree->find("*.*")) { printf "%-40s %9s %s\n",$file->name, $file->size_string, $file->mtime_string; } Result on Win2k8R2: * Connected - server #1 [192.168.166.24:445] * SMB2 [Negotiate Request ] mid=0 uid=0 tid=00 - server #1 [192.168.166.24:445] * SMB2 [Negotiate Response] mid=0 uid=0 tid=00 - server #1 [192.168.166.24:445] Unsupported asn1 tag 0x1b on parse * SMB2 [SessionSetup Request ] mid=1 uid=0 tid=00 - server #1 [192.168.166.24:445] * SMB2 [SessionSetup Response] mid=1 uid=40004000061 tid=00 status=c0000016 - server #1 [192.168.166.24:445] * SMB2 [SessionSetup Request ] mid=2 uid=40004000061 tid=00 - server #1 [192.168.166.24:445] * SMB2 [SessionSetup Response] mid=2 uid=40004000061 tid=00 - server #1 [192.168.166.24:445] * SMB2 [TreeConnect Request ] mid=3 uid=40004000061 tid=00 - server #1 [192.168.166.24:445] * SMB2 [TreeConnect Response] mid=3 uid=40004000061 tid=00 status=c0000022 - server #1 [192.168.166.24:445] SMB Error on TreeConnect response: STATUS_ACCESS_DENIED Died at smb.pl line 10. * Disconnected - server #1 [192.168.166.24:445] Result on Windows 10: * Connected - server #1 [192.168.166.44:445] * SMB2 [Negotiate Request ] mid=0 uid=0 tid=00 - server #1 [192.168.166.44:445] * SMB2 [Negotiate Response] mid=0 uid=0 tid=00 - server #1 [192.168.166.44:445] Unsupported asn1 tag 0x1b on parse * SMB2 [SessionSetup Request ] mid=1 uid=0 tid=00 - server #1 [192.168.166.44:445] * SMB2 [SessionSetup Response] mid=1 uid=440004000075 tid=00 status=c0000016 - server #1 [192.168.166.44:445] * SMB2 [SessionSetup Request ] mid=2 uid=440004000075 tid=00 - server #1 [192.168.166.44:445] * SMB2 [SessionSetup Response] mid=2 uid=440004000075 tid=00 - server #1 [192.168.166.44:445] * SMB2 [TreeConnect Request ] mid=3 uid=440004000075 tid=00 - server #1 [192.168.166.44:445] * SMB2 [TreeConnect Response] mid=3 uid=440004000075 tid=01 - server #1 [192.168.166.44:445] * SMB2 [Create Request ] mid=4 uid=440004000075 tid=01 - server #1 [192.168.166.44:445] * SMB2 [Create Response] mid=4 uid=440004000075 tid=01 - server #1 [192.168.166.44:445] * SMB2 [QueryDirectory Request ] mid=5 uid=440004000075 tid=01 - server #1 [192.168.166.44:445] * SMB2 [QueryDirectory Response] mid=5 uid=440004000075 tid=01 - server #1 [192.168.166.44:445] * SMB2 [Close Request ] mid=6 uid=440004000075 tid=01 - server #1 [192.168.166.44:445] * SMB2 [Close Response] mid=6 uid=440004000075 tid=01 - server #1 [192.168.166.44:445] $Recycle.Bin 0 4Y-2m-2d 2H:2M $WINDOWS.~BT 0 4Y-2m-2d 2H:2M pagefile.sys 671088640 4Y-2m-2d 2H:2M swapfile.sys 268435456 4Y-2m-2d 2H:2M * Disconnected - server #1 [192.168.166.44:445]