Tera Term

X11転送をしようとすると、下記のエラーが出ることがある。PuTTY, RLoginでは問題なし。

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TTSSH
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サーバはこのマシンに転送を試みました.
localhost 上のXサーバへの接続を要求しました (ディスプレイ 0:0). 
転送接続を終了します.
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OK   
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TTSSH
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The server attempted to forward a connection through this machine.
It requested a connection to the X server on localhost (display 0:0).
The forwarding connection could not be established.
The forwarded connection will be closed.
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OK   
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ttssh.logを採取すると、下記のエラーメッセージが残っていた。

Tue Nov 06 17:19:42.196 2012 [3748] SSH2_MSG_USERAUTH_REQUEST was sent do_SSH2_authrequest(). (method 3)
Tue Nov 06 17:19:42.236 2012 [3748] SSH2_MSG_USERAUTH_SUCCESS was received.
Tue Nov 06 17:19:42.236 2012 [3748] SSH2_MSG_CHANNEL_OPEN was sent at handle_SSH2_userauth_success().
Tue Nov 06 17:19:42.236 2012 [3748] User authentication is successful and SSH heartbeat thread is starting.
Tue Nov 06 17:19:42.256 2012 [3748] SSH2_MSG_CHANNEL_OPEN_CONFIRMATION was received.
Tue Nov 06 17:19:42.256 2012 [3748] SSH2_MSG_CHANNEL_REQUEST was sent at SSH_request_X11_forwarding().
Tue Nov 06 17:19:42.256 2012 [3748] SSH2_MSG_CHANNEL_REQUEST was sent at send_pty_request().
Tue Nov 06 17:19:42.356 2012 [3748] SSH2_MSG_CHANNEL_SUCCESS was received(nego_status 2).
Tue Nov 06 17:19:42.356 2012 [3748] SSH2_MSG_CHANNEL_REQUEST was sent at handle_SSH2_channel_success().
Tue Nov 06 17:19:42.376 2012 [3748] SSH2_MSG_CHANNEL_SUCCESS was received(nego_status 3).
Tue Nov 06 17:19:45.200 2012 [3748] SSH2_MSG_CHANNEL_OPEN was received.
Tue Nov 06 17:19:45.210 2012 [3748] SSH2_MSG_CHANNEL_OPEN_FAILURE was sent at SSH_fail_channel_open().
Tue Nov 06 17:19:45.210 2012 [3748] The server attempted to forward a connection through this machine.
It requested a connection to the X server on localhost (display 0:0).
No address was found for the machine.
The forwarded connection will be closed.