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Downgrade From vBulletin 4.x To vBulletin 3.x
VBIran
Join Date: Nov 2010
Posts: 91

 

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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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  #42  
Old 03-06-2012, 09:41 PM
m002.p's Avatar
m002.p m002.p is offline
 
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Hi all,

I have a query about this method of downgrading. Would appreciate assistance in this thread if someone in the know could spare 5

https://vborg.vbsupport.ru/showthrea...51#post2306951
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  #43  
Old 04-05-2012, 05:20 PM
MaXimus MaXimus is offline
 
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1) I deleted my old forum
2) Installed 3.8.7 with a new mysql database
3) Uploaded IMPEX and set it up this way:

$impexconfig['beracer_forum']['server'] = 'localhost';
$impexconfig['beracer_forum']['user'] = 'beracer_forum';
$impexconfig['beracer_forum']['password'] = 'MYPASSWORD HERE';
$impexconfig['beracer_forum']['database'] = 'beracer_forum';
$impexconfig['beracer_forum']['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['beracer_forums']['databasetype'] = 'mysql'; // mysql OR mssql
$impexconfig['beracer_forums']['server'] = 'localhost';
$impexconfig['beracer_forums']['user'] = 'beracer_forums';
$impexconfig['beracer_forums']['password'] = 'MYPASSWORD HERE';
$impexconfig['beracer_forums']['database'] = 'beracer_forums';
$impexconfig['beracer_forums']['tableprefix'] = '';


But when I try to go to IMPEX Import from the Admin Panel I get this message:

ImpEx Database error

error: Link-ID == false, connect failed

error:

Date: Thursday 05th 2012f April 2012 01:14:07 PM
Database:



Please help, I am sure of the username / database name / password

My database name for the 4.xx forums is: beracer_forums
and the username created for that database is forums

the new database is called: beracer_forum
and the username created for that database is forum

--------------- Added [DATE]1333652017[/DATE] at [TIME]1333652017[/TIME] ---------------

I just submitted a Support Ticket as well...

--------------- Added [DATE]1333654654[/DATE] at [TIME]1333654654[/TIME] ---------------

This guide sucks because the instructions are not very detailed which is why I ended up here!

i will delete my entire forum and recreate it from scratch. bye bye! NEver using this guy's guides again
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