Upload of file failed.

[jessej]

THIS IS POSTED AT vBulletin.com, and I have a support ticket opened, but the problem is illusive.. Any help or guidance is GREATLY appreciated!, thank you, jessej.
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Many of my moderators (and now me too) have been getting this error, "Upload of file failed" when trying to upload files. These people were able to upload files before. Some are large files and some are small.

Over the last few months this problem went from one mod to 2, now to all. All of the user group options are correct.

I use the file system, and place the files in a file on my server. This has worked fine for a while also in the past. I have recently switched to a dedicated server, but this problem started on the shared server several weeks ago.

I went to the forums and searched and found this thread;
http://www.vbulletin.com/forum/showt...load+file+fail ed

I am hoping I can get the same analysis from you all on my system. I did enable phpinfo, and ran the upload diagnostics, and all showed ok.

I changed the "upload max file size" from 2mb to 8mb on the server.

I have made certain that attachment (file system file for attachments) is set to chmod777.

The comments from moderators when trying to upload files are;

"Well I tried again this morning...no go. Now instead of "upload failed" or "invalid file" it says what I posted yesterday..."not a post valid link, notify the administrator".

vBulletin Message
Invalid Post specified. If you followed a valid link, please notify the administrator


Upload of file failed. "
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I have a support ticket opened on this. Any help is really appreciated.

I'm wondering if it can be something to do with using a file to store the attachments. Maybe I should change it to the database. Is this recommended to try, would it hurt anything to try it? It moves the files to the database and thats it, right?

also another thought, could it be any of the hacks i installed. i suppose i could disable them one by one and check that too.

hacks installed are;
ibproarcade for vBulletin - version 2.6.5
members who have visited - vers 4.4.3
members who are using flashchat - version 4.4.6
flashchat integration - version 3.55
active link security hack - vers 5.2
marquee system - vers 1.0.5

Thanks again for any light you can shed on this problem..