2009 October | Tech Sharing Blog

Terminal Server has exceeded maximum number of allowed connection

By David on October 31, 2009

By default, window server 2003 only come with the 2 Remote client access, unless you bought the CAL license. (But not many of the company will buy). So only 2 active or disconnected session are allow in the sames time.

So when the 3th user would like to connect into the same server, he/she will get the error message of “The terminal server has exceeded the maximum number of allowed connection”

After googleing, found this solution:

Go to Command Prompt
Type mstsc /v:xxx.xxx.xxx.xxx /f -console (replace xxx.xxx.xxx.xxx with the remote IP)
Login with the administrator account

This command will log you in with the 3th remote connection to your server, you should use this account to kick out the rest of the 2 account before you continue your job.

To delete the existing connection you may go to task Manager -> users -> select the user and log them off.

The alternative for this solution is you can configure the settings on terminal server to manage the connections in a variety of ways. You do that through Start > Control Panel > Administrative Tools > Terminal Services Configuration. Select the Connections folder from the left panel.

In the right panel you should see the available connection types. Most likely there will be an entry for RDP-Tcp (Microsoft RDP 5.2). Right-click on that entry and select Properties. Select the Sessions tab and you will see a number of options related to sessions. All of my drop downs were set to Never, which explained why they never timed-out. To solve our problem, you may check the ‘Override user settings‘ option and set ‘End a disconnected session’ and ‘Idle session limit’ to 15 minutes. I left the ‘Active session limit’ at Never since as long as you are actively using the connection.

rdpexceeded Terminal Server has exceeded maximum number of allowed connection

Terminal Server has exceeded maximum number of allowed connection error message

tsc Terminal Server has exceeded maximum number of allowed connection

Terminal services configuration window

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phpBB open source forum application

By David on October 24, 2009

Because of I need to handle a project in my comany which include the forum features, but the language is Chinese Simplify, so I manage to find out this 9 years old product.

phpBB is a free and open source forum application. phpBB was created in June 2000 as UBB-like forum solution using the PHP language and the latest version up to today is phpBB 3.0 ‘Olympus 3.5′ (Release at 31 May 2009). phpBB is available at no cost, released under the GNU General Public License.

I choose this as my forum in the new project is because it come with an intuitive adminstration system and extensive customisation capabilities. Besides that, it is capable to supporting hundreds of million of discussions in any language and boatst some of the largest forum communities on the Internet. phpBB is developed by six core developers, more than forty team members and is supported by a community of almost 300,000 users and developers up to today.

The lastest version support the UTF-8 encoding including the Simplify chinese , tranditional chinese encoding, Russian, Thai, Turkish and more. Besides that, it support most of the most common database in market such as MSSQL, MySQL, PostgreSQL, Oracle, Firefird, SQLList. The release of phpBB 3.0 is come with nearly 500 enhancements, modification and extenstion compare to the previous version.

phpBB also is a highly recomended forum application for those who like to customize and quickly integrate into any content management system or static web site because it come with very flexible framework, documented Application Programming Interfaces (APIs).

Click here for more phpBB forum features list
Click here to go to phpBB forum official page
Click here to go to phpBB forum download page

phpbb sample forum home page phpBB open source forum application

phpBB forum home page

phpbb sample forum backend admin phpBB open source forum application

phpBB sample forum backend admin control paner

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phpBB Forum user registration integration

By David on October 24, 2009

Just working out on the phpBB3.0 on the user registration integration with the main web site. Because of I plan to write the main web site using the coldfusion + MS SQL, so the only way as I may thinking of to do the integration is write a web service a like page for my coldfusion application to call.

After read through some forum, blog, web site and finally find out the way for the integration and here to share my simple PHPBB 3.0 user registration integration code.

  < ?PHP
  define('IN_PHPBB', true);
  /* set scope for variables required later */
  global $phpbb_root_path;
  global $phpEx;
  global $db;
  global $config;
  global $user;
  global $auth;
  global $cache;
  global $template;

  # your php extension
  $phpEx = substr(strrchr(__FILE__, '.'), 1);
  $phpbb_root_path = "../";

/* includes all the libraries etc. required */
  require($phpbb_root_path ."common.php");
  require($phpbb_root_path ."includes/functions_user.php");
  $use-->session_begin();
  $auth->acl($user->data);

// username of the user being added
$username = 'david';

// the user’s password, which is hashed before inserting into the data base
$password = 'password';

// an email address for the user
$email_address = 'admin@david-cheong.com';

// since group IDs may change, you may want to use a query to make sure you are grabbing the
// right default group...
$group_name = ($coppa) ? 'REGISTERED_COPPA' : 'REGISTERED';
$sql = 'SELECT group_id
        FROM ' . GROUPS_TABLE . "
        WHERE group_name = '" . $db->sql_escape($group_name) . "'
            AND group_type = " . GROUP_SPECIAL;

$result = $db->sql_query($sql);

$row = $db->sql_fetchrow($result);

$group_id = $row['group_id'];

// timezone of the user... Based on GMT in the format of '-6', '-4', 3, 9 etc...
$timezone = '8';

$language = 'zh_cmn_hans';

// here if the user is inactive and needs to activate thier account through an activation link
// sent in an email we need to set the activation key for the user... (the goal is to get it about
// 10 chars of randomization) you can use any randomization method you want, for this example,
// I’ll use the following...
$user_actkey = md5(rand(0, 100) . time());
$user_actkey = substr($user_actkey, 0, rand(8, 12));

// IP address of the user stored in the Data base.
$user_ip = $user->ip;

// registration time of the user, timestamp format.
$registration_time = time();

// time since the user is inactive. timestamp.
$user_inactive_time = time();

$user_row = array(
    'username'              => $username,
    'user_password'         => phpbb_hash($password),
    'user_email'            => $email_address,
    'group_id'              => (int) $group_id,
    'user_timezone'         => (float) $timezone,
    'user_dst'              => $is_dst,
    'user_lang'             => $language,
    'user_type'             => '0',
    'user_actkey'           => $user_actkey,
    'user_ip'               => $user_ip,
    'user_regdate'          => $registration_time,
	'user_dateformat'   	=> 'D M d, Y g:i a'
);

$user_id = user_add($user_row);

echo 'userid' . $user_id;

?>

Click here for PHP Cross Reference of Architecture PHPBB3

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Lunar Calendar

By David on October 24, 2009

Wannianli.net is a calendar web site where you can check the Lunar calendar, festivals around the world and also world time.

On the home page, it will show this month calender and also the date time at the left hand side, once you mouse over the day in the calendar, it will show all the detail in that particular date. The date is range from year 1900 to year 2100.

Besides visit to the wannianli.net, you may also download the small window application which work almost the same with the web site but without the world time.

Click here to go to Wannianli home page
Click here to download wannianli window application

Wannianli web version

Wannianli window application

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Doing online servuy with Questionform

By David on October 19, 2009

Questionform is a online questionnaire application that allow you to create, publish and also analyze the statistics on your user response. It provide a very easy to use survey creation tools, you just need to double click or drag the component to create your question.

Questionform provide the field to include in the survey form:

Text field
Multiple choice
Single choice
star rating
country selection
Map selection
file upload feature
Video

Questionform have the pay subscript plan and also free plan, for the free plan, you may only create 2 questionnaire and with the limit of 5 question per questionnaire and a single page with max of 5 response.

There are various of subscription plan with difference features provided, the price is range from USD 9.95 to USD 49.00 per month.

Click hereto try out on my created sample survey

Click hereto go to Questionform home page

Questionform Homepage

start a new servuy by click on new survey button Doing online servuy with Questionform

click on new servuy to start the survey creation wizard

question form editor toolbox Doing online servuy with Questionform

Questionform provide a various useful tools for you to create the form

question form editor Doing online servuy with Questionform

Questionform survey creation tools

Various price plan with various features provided

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Recover your mail client password

By David on October 18, 2009

Mail Passview is a small password recovery tool that help you to recover your passwords and other account detail for the email clients such as

Outlook Express
Microsoft Outlook 2000 (POP3 and SMTP Accounts only)
Microsoft Outlook 2002/2003/2007 (POP3, IMAP, HTTP and SMTP Accounts)
Windows Mail
Windows Live Mail
IncrediMail
Eudora
Netscape 6.x/7.x (If the password is not encrypted with master password)
Mozilla Thunderbird (If the password is not encrypted with master password)
Group Mail Free
Yahoo! Mail – If the password is saved in Yahoo! Messenger application.
Hotmail/MSN mail – If the password is saved in MSN/Windows/Live Messenger application.
Gmail – If the password is saved by Gmail Notifier application, Google Desktop, or by Google Talk.

For each account, Mail Password will display the

Acccount Name
Application
Email
Server
Server Type (POP3/IMAP/SMTP)
User name
Password

Again, please bear in mind that if this application is misuse by some body else, this can be the tools to hack your email.

Mail PassView (205)

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IM Password recovery

By David on October 18, 2009

I believe a lot of who do not share their PC will just store the MSN password on the computer and turn on the auto log in whenever the computer start up.

But after long time, you may not remember your long saved password, now you can recover back your MSN password by the MessenPass application to recover the password.

MessenPass is a password recovery tools that reveals the password of the instant messenger application such as

MSN Messenger
Window Messenger (In Window XP)
Window Live Messenger (In Window XP and Vista)
Yahoo Messenger (Versions 5.x and 6.x)
Google Talk
ICQ Lite 4.x/5.x/2003
AOL Instant Messenger v4.6 or below, AIM 6.x, and AIM Pro.
Trillian
Trillian Astra
Miranda
GAIM/Pidgin
MySpace IM
PaltalkScene
Digsby

Please bear in mind that this is a helpful application that can help you to recover your saved password but yet it also may explore your password to the public if some one misuse it.

To use this application, there is no installation require, just download it and run it from the zip file. It only work if you currently log into your IM application or you chose to remember your password in one of the above IM application

MessenPass (186)

After run the MessenPass, it will immediately disply the Software, Protocol, Username, and password

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Proxy Server and browser configuration

By David on October 18, 2009

Proxy server is a server that sites between a client application, such as a web browser and a real server. It intercepts all requests to the real server to see if it can fulfill the requirests it self. If not, it forwards request to the real server.

There main purposes for using the proxy server are:

to keep machines behind it anonymous (mainly for security)
to speed up access to a resource (via caching). It is commonly used to cache web page from a web server
to censor network services or content
to forge transmitted content before delivery, eg: to insert advertisements

There are diff types of proxy server in generals:

Transparent Proxy: it identifies itself as a proxy server and also make the original IP address available through the http headers. The generally use to cache websites but do not effectively provide any anonymity to those who use them.
Anonymous Proxy: it identifies it self as a proxy server, but does not make the original IP address available. of proxy server is detectable, but provides reasonable anonymity for most users.
Distorting Proxy: This type of proxy server identifies itself as a proxy server, but make an incorrect original IP address available through the http headers.
High Anonymity Proxy: This type of proxy server does not identify itself as a proxy server and does not make available the original IP address.

You may easily get the free proxy server list from the Internet by Google it with the key word of “Free Proxy server list”. Or you may just access the following web site for the free Proxy server list:

Please bear in mind that when you use the free public proxy server, your transmitted data through the Proxy server may capture or monitor by some body including your login detail and password.

Step to set up the Proxy on difference browser:

Mozilla Firefox:

Tools -> Options -> Advanced -> Network -> Settings -> Manual proxy configuration -> enter the Proxy server IP and Port number

Google Chrome:
Options -> Under the Hood -> Change proxy settings -> Connections -> LAN Settings -> Proxy Server -> check the “use a proxy….” -> enter the proxy server IP and port number

* Google Chrome is share the same Proxy server setting with Internet Explorer

Internet Explorer:
Tools -> Internet Option -> Connections -> LAN Settings -> Proxy Server -> check the “use a proxy….” -> enter the proxy server IP and port number

google chrome set proxy step 2 Proxy Server and browser configuration

Opera:
Tools -> Preferences -> Network -> Proxy Server… -> Select what ever Protocol to use the Proxy Server -> enter the proxy server IP and port number

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Download and Listen music from Google Music

By David on October 18, 2009

Google Music China now allow the user from China to listen and download the song from Internet for free. Google Music is the join venture product by Google and Top100 (www.top100.cn). Top100 is a company that provide service to Google including all the singer profile, album detail, song, lyrics, and also the music related news.

Google Music now include more then 100,000 music from difference country including China, Hong Kong, Taiwan, Malaysia, Singapore, Euro, Japan, Korea and more. Besides that, Google Music also contacted with more then 140 music producer company including Warner Music Group, Vivendi’s Universal Music, EMI Group, Sony’s Music Entertainment to include their music in the list to allow the user search, listen and download the music from Google.

You may face a problem where can’t get the song from Google Music search, base on the statement from Google Music this is because of the the particular song will under the contract issue, once the contract issue solve, you will get the song at Google Music Search.

Currently this service is only open to the user in China only. But don’t worry, you may still get to listen it by changing the proxy for your browser and try to access the web site again.

Click here to go to Google Music China
Click here to go to Top100.cn

top100cn home page Download and Listen music from Google Music

Top100 music web site hope page

Google Music Home page

Google Music Player

artics search result Download and Listen music from Google Music

Song search result page

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CopyTaste make online sharing easy

By David on October 18, 2009

Copy Tasteis a Google Notebook a like web application that allow you to copy and paste your text and share it over the Internet. To use CopyTaste, there is no log in require, but if you would like to store and managed the post in the future, then may to log in to the copytaste using any OpenID provider as they included.

CopyTaste provide the normal text editor and also Rich Text editor which it also allow you to insert image or video into your note. After you enter your content, you may set the permission whether allow the public to read it or you want to make it private. To make it private mean that you can set the password or let’s the system to choose the random key to view your content. Besides that, you may also set the permission whether this text is allow comments or not.

After all done, just click on Submit button and a copytaste auto generated URL will be display on top of the text area which you may share your text with other by providing this special URL.

CopyTaste also provide the plugin for IE so that you can just right click on the text/content and post it directly from IE to CopyTaste easily.

To view my sample CopyPaste Content: Sample 1, Sample 2

Click here to go to CopyTaste home page