1. Upgrade v7.0(for 123FlashChat v7.0 user who uses hsqldb) to v7.X
1.1 Stop 123FlashChat v7.0.
Linux:
#cd <123flashchat7.0 install directory>/server/
#./fcserver.sh stop
Windows:
Navigate to this directory: <123flashchat7.0 install directory>/server/
Run stop.bat
1.2 Download and install 123FlashChat v7.X.
1.3 Stop 123FlashChat v7.X.
Linux:
#cd <123flashchat7.X install directory>/server/
#./fcserver.sh stop
Windows:
Navigate to this directory: <123flashchat7.X install directory>/server/.
Run this file: stop.bat.
1.4 Copy <123flashchat7.0 install directory>/server/data to <123flashchat7.X install directory>/server/.
1.5 Copy <123flashchat7.0 install directory>/server/etc/DefaultDB.xml to <123flashchat7.X install directory>/server/etc.
1.6 Copy <123flashchat7.0 install directory>/server/etc/groups to <123flashchat7.X install directory>/server/etc.
1.7 Add the parameters that will be used in data import.
Linux:
Edit this file: <123flashchat7.X install directory>/server/fcserver.sh, replace com.topcmm.jchat.FCServer with com.topcmm.jchat.FCServer hsqldb
Windows:
Edit this file: <123flashchat7.X install directory>/server/console.bat, replace com.topcmm.jchat.FCServer with com.topcmm.jchat.FCServer hsqldb
1.8 Restart 123FlashChat v7.X to import data.
Linux:
#cd <123flashchat7.X install directory>/server/
#./fcserver.sh start
Windows:
Navigate to this file: <123flashchat7.X install directory>/server/
Run this file: console.bat
When you get this message: "Data transfer is completed!", this indicates that the data import is successfully finished, if you get this message:"Data transfer error: xxxx ", please contact us.
1.9 Remove the parameters that used during data import.
Linux:
Edit this file: <123flashchat7.X install directory>/server/fcserver.sh, replace com.topcmm.jchat.FCServer hsqldb with com.topcmm.jchat.FCServer
Windows:
Edit this file: <123flashchat7.X install directory>/server/console.bat, replace com.topcmm.jchat.FCServer hsqldb with com.topcmm.jchat.FCServer
1.10 Start 123FlashChat v7.X.
Linux:
#cd <123flashchat7.X install directory>/server/
#./fcserver.sh start
Windows:
Navigate to this directory: <123flashchat7.5 install directory>/server/.
Run this file: start.bat.

2. Upgrade v7.x(for 123Flashchat v7.0 user who use MySQL or 123Flashchat v7.x user) to 123FlashChat v7.5
2.1 Stop 123FlshChat v7.x.
Linux:
#cd <123flashchat7.x install directory>/server/
#./fcserver.sh stop
Windows:
Navigate to this directory: <123flashchat7.x install directory>/server/
Run this file: stop.bat
2.2 Download and install 123FlashChat v7.5.
2.3 Copy <123flashchat7.x install directory>/server/data to <123flashchat7.5 install directory>/server/.
2.4 Copy <123flashchat7.x install directory>/server/etc to <123flashchat7.5 install directory>/server/.
2.5 Please skip this step if you are v7.0 user, copy <123flashchat7.0 install directory>/server/database to <123flashchat7.5 install directory>/server/.
2.6 Restart 123FlashChat v7.5.
Linux:
#cd <123flashchat7.5 install directory>/server/
#./fcserver.sh restart
Windows:
Navigate to this directory: <123flashchat7.5 install directory>/server/.
Run this file: restart.bat.

3. Upgrade to 123FlashChatv7.X from 123FlashChat v6.9.x
3.1 Stop 123FlashChat v6.9.x
Linux:
#cd <123flashchat6.9.x install directory>/server/
#./fcserver.sh stop
Windows:
Navigate to this directory: <123flashchat6.9.x install directory>/server/
Run this file: stop.bat
3.2 Please refer to the installation guidance to install 123FlashChat v7.X.
3.3 Log in Admin Panel with admin account.
3.4 Navigate to System Settings->Import Data, input the address of <123flashchat 6.9.x install directory>/server, and press Import Button to import data.

4 The guidance for the 123FlashChat v7.x user who needs to upgrade to use MySQL after using embedded database for some time.
4.1 Configure MySQL according to Storing Data in MySQL.
4.2 Stop 123FlashChat v7.x.
Linux:
#cd <123flashchat7.x install directory>/server/
#./fcserver.sh stop
Windows:
Navigate to this directory: <123flashchat7.x install directory>/server/.
Run this file: stop.bat.
4.3 Add the parameters that will be used in data import.
Linux:
Edit this file: <123flashchat7.x install directory>/server/fcserver.sh, replace com.topcmm.jchat.FCServer with com.topcmm.jchat.FCServer derby
Windows:
Edit this file: <123flashchat7.x install directory>/server/console.bat, replace com.topcmm.jchat.FCServer with com.topcmm.jchat.FCServer derby

4.4 Start 123FlashChat v7.x to import data.
Linux:
#cd <123flashchat7.x install directory>/server/
#./fcserver.sh start
Windows:
Navigate to this directory: <123flashchat7.x install directory>/server/
Run this file: console.bat
When you get this message: "Data transfer is completed!", this indicates that the data import is successfully finished, if you get this message: " Data transfer error: xxxx", please contact us.

4.5 Remove the parameters that used during data import.

Linux:
Edit this file: <123flashchat7.x install directory>/server/fcserver.sh, replace com.topcmm.jchat.FCServer derby with com.topcmm.jchat.FCServer
Windows:
Edit this file: <123flashchat7.x install directory>/server/console.bat, replace com.topcmm.jchat.FCServer derby with com.topcmm.jchat.FCServer
4.6 Start 123FlashChat v7.x
Linux:
#cd <123flashchat7.x install directory>/server/
#./fcserver.sh start
Windows:
Navigate to this directory: <123flashchat7.x install directory>/server/
Run this file: start.bat