Merged Allow PDF uploads

This is for a Joomla! 3.1.5 Stable [ Ember ] 01-August-2013 14:00 GMT install on a development server (sorry no external access).

I've read several related threads but was unable to find the solution to allow pdf files to be uploaded.

In Joomla Admin Panel>Components>Kunena Forum>Configuration>Uploads>Files>Allowed File Types I've added pdf and added the MIME type for it in the Images>Legal MIME Types (application/pdf). Also Images>Allow Image Types added it (pdf).

In the Joomla Admin Panel>Global Configuration>Media Manager>Legal Extensions (File Types) pdf is present, as is Legal MIME Types.

Thank you for any assistance.

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Kunena menu details:

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ID	Name	Menutype	Link	Path
488	Forum	kunenamenu	view=home&defaultmenu=489	forum
489	Index	kunenamenu	view=category&layout=list	forum/index
490	Recent Topics	kunenamenu	view=topics&mode=replies	forum/recent
491	New Topic	kunenamenu	view=topic&layout=create	forum/newtopic
492	No Replies	kunenamenu	view=topics&mode=noreplies	forum/noreplies
493	My Topics	kunenamenu	view=topics&layout=user&mode=default	forum/mylatest
494	Profile	kunenamenu	view=user	forum/profile
495	Help	kunenamenu	view=misc	forum/help
496	Search	kunenamenu	view=search	forum/search

Joomla default template details : roc_ncs | author: Kyle Ledbetter | version: 1.0 | creationdate: Unknown

Kunena default template details : Blue Eagle 2.0 | author: Kunena Team | version: 3.0.1 | creationdate: 2013-06-29

Kunena version detailed: Kunena 3.0.1 | 2013-06-29 [ Noordwijkerhout ]
| Kunena detailed configuration:

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Kunena config settings:
board_offline	0
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| Kunena integration settings:

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Kunena - AlphaUserPoints Disabled
Kunena - Community Builder Disabled
Kunena - Gravatar Disabled
Kunena - JomSocial Disabled
Kunena - Joomla Enabled: access=1 login=1
Kunena - Kunena Enabled: avatar=0 profile=1
Kunena - UddeIM Disabled

| Joomla! detailed language files installed:

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Joomla! languages installed:
en-GB	English (United Kingdom)

Third-party components: None

Third-party SEF components: None

Plugins: None

Modules: Kunena Latest 3.0.1

In the configuration of Kunena I see a list of default file types that are allowed as attachments to posts. PDFs is not one of them. I added pdf separated from the other file types with a comma and no space, as the information tip describes. But, I still cannot attach or insert a PDF to a post. Any help would be appreciated.

*** Topics merged ***

Did you also allow these filetypes in your Joomla Global Configuration settings?

I am running Joomla 2.5 and my understanding is that the file types allowed are set in the media manager, which I had already done. I have revisited it to ensure the pdf extension was included, and it is. Any other thoughts you have would be appreciated.