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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ...How Do I Reinstall DNN 3.2.2How Do I Reinstall DNN 3.2.2
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3/3/2006 4:34 PM
 
Joe Rattz

rattz.com
Joined: 9/2/2004
Posts: 39

I have DNN 3.2.2 installed but am getting an error when someone tries to login and their password is wrong.  I think I should try to reinstall my DNN, but I don't want to delete everything.  What's the best way to get the thing to reinstall?

Thanks.
 
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3/3/2006 6:08 PM
 
Josh McWilliam

www.brighthub.com
Joined: 10/21/2004
Posts: 213

Did you do a fresh install of 3.2.2 or was this an upgrade.  A mistake many people often make is overwrite some key web.config settings related to cryptography.  This creates an effect like you describe, where noone can login.

<add key="MachineValidationKey" value="A8E8402012A19FDD5A482F060E17BA7ED8F1F22D" />
<add key="MachineDecryptionKey" value="AB463577E81E0BB4729B9CA6462E9449426620B4DC5204AB" />
<add key="MachineValidationMode" value="SHA1" />

You need to make sure these settings always stay the same once you do an initial install.  If you simply overwrite your web.config with the default values during an upgrade, it will not work.  I believe this is documented in the instal/upgrade instructions.  This may not be your problem, but I know its a mistake many people have made in the past, including myself.

Josh McWilliam
Flatburger
Bright Hub
Jamnaytac Technologies
 
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4/6/2006 11:37 PM
 
Victor Sumskoy

Joined: 3/26/2006
Posts: 8

It was fresh install.
But bacause of security problems, it was not "clean" install, just partial.
I just set
<add key="UseDnnConfig" value="false" />
and played with authorization/authentication settings to continue installation.
For sure I did not touch any cryptography keys, but now I can see that they are different both from initial and from yours:
<add key="MachineValidationKey" value="9F435D6C2934C89FC1CF18..." />
<add key="MachineDecryptionKey" value="70BDF175186A261028A5BCC83897..." />
<add key="MachineValidationMode" value="SHA1" />

I was able to do some actions, but many "standard" modules are missing,
and I am not able to install new ones.
I tried install "forum" module, it creates some database tables/SPs and died.

I was able to create new portal, and it was filled in, but again, with some limitations.

Maybe right now it's not a big deal to reformat everything, delete and recreate database,
and fill in everything from scratch.
But I'd like to be sure that it is possible to reinstall DNN without deleting database.
If the above keys are generated during initial install, there should be ability to re-generate them,
which should be part of re-installation.
 
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