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Downgrade From vBulletin 4.x To vBulletin 3.x
VBIran
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VBIran VBIran is offline 12-11-2010, 10:00 PM
Hi ,
One of the topics that most of webmasters talking about that is : How to downgrade from vBulletin 4.x.x to vBulletin 3.7 or 3.8 .
You can downgrade your vbulletin from 4.x to 3.x very very easy ! Without losing attachments , thanks , passwords .
You need IMPEX ( One of the vBulletin scripts like an addon ) to Do this work .
How to do this :
First of all you must get a backup ( export ) from attach and post_thanks table from your phpmyadmin ( in .sql format )
1. Get full backup from your vbulletin 4.x database .
2. Go to members.vbulletin.com and download IMPEX Script .
3. Make a new database and a new place for your new vbulletin ( 3.8) .
4. Install vbulletin 3.x ( 3.8.7 for example ) for your new database .
5. Extract the impex script and upload impex files ( in upload folder ) to your 3.8 forum root .
Now you have 2 databases . We call 4.x database old and 3.x database new .
6. You must config impex .
7. Go to impex folder in 3.x forum and rename ImpExConfig.php.new to ImpExConfig.php
After rename , Open and edit it :
Code:
####
#
# TARGET - The target is the vBulletin database (where the  data is going to)
#
####

$impexconfig['target']['server']		= 'localhost';
$impexconfig['target']['user']			= 'username';
$impexconfig['target']['password']		= 'password';
$impexconfig['target']['database']		= 'vbulletin_forum';
$impexconfig['target']['tableprefix']	= '';

# If the system that is being imported from uses a database,
# enter the details for it here and set 'sourceexists' to true.
# If the source data is NOT stored in a database, set 'sourceexists' to false

$impexconfig['sourceexists']			= true;

####
#
# SOURCE - The source is the old forum database (where the  data is coming from)
#
####

# mysql / mssql
$impexconfig['source']['databasetype']	= 'mysql';  // mysql OR mssql
$impexconfig['source']['server']		= 'localhost';
$impexconfig['source']['user']			= 'username';
$impexconfig['source']['password']		= 'password';
$impexconfig['source']['database']		= 'source';
$impexconfig['source']['tableprefix']   = '';
You must set 3.x database informations in TARGET
And set 4.x database informations in SOURCE
8. Go to vbulletin 3 admincp --> Login --> You must have a new tab "Import"
9. Click on Import tab then you will see import page.
Select system : Choose 3.7.x
Select version and product : Choose vBulletin 3.7 and 3.8
Start all of the modules .
After you do this work you must go to update counters and update all of counters.
After all of this works you must import post_thanks and attach table . ( then optimize tables)
Thank you & Be successful .
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  #22  
Old 01-15-2011, 04:30 PM
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Lynne Lynne is offline
 
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Quote:
Originally Posted by VBIran View Post
Lynne , If Attachments Stored In Host You Can Import It Via Impex , Check this :
There is no ImpEx version to import a vB4 database yet. attachments are not only in the attachment table in vb4 - the actual data is in the filedata table which didn't exist in vB3. If you only import stuff from the attachment table, then you will be missing all the actual attachment data.
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  #23  
Old 04-07-2011, 06:03 PM
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rlarner rlarner is offline
 
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Maybe this is a stupid question, but I'm a newb.... why would you want to downgrade?
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  #24  
Old 04-28-2011, 01:12 AM
BigDog007 BigDog007 is offline
 
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wow that is nice.. wish i would of read it before installing my theme.. Everyone told me vb included it wasnt possiable.. but deep down i was going its got to be. Nice job man..
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  #25  
Old 04-28-2011, 01:19 AM
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Zachery Zachery is offline
 
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Quote:
Originally Posted by BigDog007 View Post
wow that is nice.. wish i would of read it before installing my theme.. Everyone told me vb included it wasnt possiable.. but deep down i was going its got to be. Nice job man..
It is not, you will lose a lot of data by using impex.
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  #26  
Old 04-28-2011, 08:38 AM
VBIran VBIran is offline
 
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Quote:
Maybe this is a stupid question, but I'm a newb.... why would you want to downgrade?
Because someone think vbulletin 3 is better than vbulletin 4 so ..

Quote:
It is not, you will lose a lot of data by using impex.
You can save threads posts users profiles and ...
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  #27  
Old 04-29-2011, 03:06 AM
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Zachery Zachery is offline
 
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Quote:
Originally Posted by VBIran View Post
Because someone think vbulletin 3 is better than vbulletin 4 so ..


You can save threads posts users profiles and ...
No permissions, no paid subscription data, no attachments, no third party addon information.
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  #28  
Old 05-27-2011, 05:55 AM
TheLegendB TheLegendB is offline
 
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This way may allow you to get your all data to vb3.8 but other languages (Arabic) turn into (رد تجربة.... )
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  #29  
Old 07-07-2011, 07:21 AM
kevin.kool kevin.kool is offline
 
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Thank you for this awesome article!

I have sucessful downgrade my forum from 4.1.4 to 3.8.7 without any lost. Also, the language isn't broken (my forum uses UTF8 charset).

Thank you very much!
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  #30  
Old 07-14-2011, 01:32 PM
VBIran VBIran is offline
 
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Quote:
This way may allow you to get your all data to vb3.8 but other languages (Arabic) turn into (رد تجربة.... )
Are you test this article yet ?!

You say something that you aren't test it yet !

It HAVEN'T any problem with utf-8 forums !

--------------- Added [DATE]1310653981[/DATE] at [TIME]1310653981[/TIME] ---------------

Quote:
Thank you very much!
Your welcome
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  #31  
Old 07-18-2011, 11:17 AM
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my123world my123world is offline
 
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Please Can You Help Me Downgrade to VB3? I Am Currently Using 4.1.4... Thanxx in Advance!

Please Check UR PMs...
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