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Rating:        Based on 24 ratings
Reviewed:  21 reviews
Downloads: 99139
Change Set: 54019
Released: Sep 21, 2010
Updated: Sep 29, 2010 by keivanbeigi
Dev status: Stable Help Icon

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Release Notes

NOTE: As with any release, we recommend you perform a complete file and database backup before performing any upgrade on a production website and that you first conduct a trial upgrade on a staging version of the site. Following these guidelines will ensure that you are able to recover should any unforeseen problems arise during the upgrade process.

Major Highlights

  • Added feature to detect if a site is not running the suggested customErrors configuration to mitigate the ASP.Net POET Vulnerability.
  • Updated the default web.config to use the recommended customerrors settings to mitigate the ASP.Net POET Vulnerability.
  • Fixed Sitemap Provider so it only returns one page when multiple languages are enabled and Content Localization is not enabled.
  • Fixed Telrik File Manager to make files stored using database folders visible to the user.
  • Fixed issue where module developers using custom aspx pages that inherit from basepage and use codeblocks get an exception
  • Fixed issue where the locale was not properly reflecting the querystring and the users browser or portal settings.
  • Fixed issue where users were not granted proper permissions for the Templates folder on install.
  • Fixed issue where missing objectqualifier would cause upgrade script to fail.
  • Updated the url parser to take port 443 and ssl into consideration. its no longer necessary to turn off human friendly or use-port number in web.config
  • Fixed behavior of Language detection when Content Localization is not enabled.
  • Updated update tab logic to take host tabs into consideration.
  • Fixed install template to ensure content localization is defaulted to off for new installs
  • Updated the warnning dialog confirmation box to show the user name and the role that the user is being removed from.
  • Fixed issue where tab hierarchy was not displayed properly when the tab level was changed in the tab hierarchy.
  • Fixed issue where translators were not given the proper edit permissions when content localization was enabled.

Security Fixes

  • Added enhancements to patch ASP.Net POET Vulnerability

Updated Modules/Providers

The following modules and providers have been updated in the 5.5.1 packages.
Please see the specific project pages for notes on what bugs or enhancements
were corrected with each release.


  • Feedback Module 05.00.02


  • none

Reviews for this release

upgraded from 5.5.0 w/o any problems, good job!
by dvdrom000 on Nov 10, 2010 at 10:23 PM
Upgrading using this version is the first and only experience I've ever had with dnn that didn't make me want to crush my testicles b/t a train wheel and the track. I wish the instructions were easier to find, but once found this actually worked. dnn has NEVER worked. This was brilliant. Thank you.
by Schmakt on Oct 15, 2010 at 4:02 PM
I got the error for auto installation. 00:00:30.859 - Installing Package File DNNMembershipProvider_05.01.03_Install: Error! Looking everything is great. Thanks Team
by sushilpatil on Oct 15, 2010 at 1:12 PM
Upgraded from 05.04.04, SQL 2005 DB, no problems at all. Great work!
by CrashTestOz on Oct 15, 2010 at 5:17 AM
exactly the same problem than boe
by mimi on Oct 14, 2010 at 6:05 PM
I upgraded from 5.5.0 to 5.5.1 with the install package (making the necessary changings in the web.config file) and the upgrade didn't work the first time (Providers DLL not loaded) I had to copy the Providers dlls from /bin/Providers to /bin folder to make the upgrade work.
by ftrotin on Oct 6, 2010 at 8:38 AM
...much better than the last one but still needs a lot of work, i´ve seen around the community that many are moving from DNN...:( should be an alarm for the DNN Team! I recomend to have a look at the web.config and check the handlers for compatibility differences. ...JGSDNNFan, Telerik.web.ui.dll is there, see the differences between upgrade pack and fresh install...
by macster on Sep 29, 2010 at 3:30 PM
The Good: Restoring the Human Friendly URL's and fixing the SiteMap issues for multiple languages was welcomed for us International clients. Also, the DNN Corp receives kudo points for the rapid response to the ASP. Net security vulnerability issue disclosed 2010-09-17. The Bad: The Content Localization still tests poorly in all aspects. Telerik.web.ui.dll still missing in upgrade pkgs.
by JGSDNNFan on Sep 29, 2010 at 12:37 AM
5.5.0 to 5.5.1 without any issues! Thanks for the quick fix. Keep up the good work.
by timwuytens on Sep 28, 2010 at 11:18 PM
5.5.0 to 5.5.1 nice and smooth. Thanks!
by adampax on Sep 27, 2010 at 7:38 PM
Upgraded 2 sites without any issues at all. @Boe this is a change in packaging explained in a blog by Joe Brinkman here; @m2land there is a significant change with the Web Platform installer that was implemented by Microsoft not DotNetNuke because of confusion regarding setup by basic users.
by KenGrierson on Sep 27, 2010 at 12:49 AM
Why the Web Paltform Installer for 5.5.1 does not work now? It can not set database db and user now. ACL setting is aslo not correctly setted.
by m2land on Sep 26, 2010 at 3:17 PM
Upgrade went well, but the telerik.web.ui.dll is still missing in the upgrade version :/ you need to copy telerik.web.ui.dll from Library/components/telerik/bin of the source version to /website/bin
by boe on Sep 26, 2010 at 12:28 AM
Tested upgrade on a 05.04.02 (66) site. Upgrade log reported success but the site will not open - just gets stuck opening the default.aspx page (waiting/loading report). Update: a number of other DNN sites on this dedicated server also stalled (some did not). IIS crashed when restarted. Server reboot fixed all issues. Not sure if it was the upgrade - server very stable till this upgrade
by peters4oz on Sep 26, 2010 at 12:24 AM
yesterday I upgraded all my dnn portals to version 5.5.1 without a glitch! Great work guys.
by acandael on Sep 24, 2010 at 5:14 PM
Outstanding! A Perfect Circle..can't get any better! Not only is it extremely fast but I can't find a single bug and it's feature loaded! Well done!
by OnyakTech on Sep 24, 2010 at 8:06 AM
Smooth, easy upgrade. No issues during process and so far no bug jumping out at me. GREAT JOB! (v5.5 to v5.5.1)
by agrilk on Sep 23, 2010 at 12:24 PM
Fantastic work!
by Mastercodefu on Sep 23, 2010 at 10:53 AM
Hi no problems i upgraded from 5.5 can everyone document what version they are upgrading from. So other people can feel confident in upgrading their own environments.
by drocelot on Sep 23, 2010 at 7:07 AM
Upgrade upgrade upgrade! Thanks for working on the POET fix, time to get my sites upgraded.
by DudeWalker on Sep 22, 2010 at 6:31 PM
Outstanding work to get a proactive check and fix in for DotNetNuke sites to protect against the POET/Oracle Padding attack. There's an impressive number of stabilization updates as well.
by hismightiness on Sep 22, 2010 at 6:29 PM