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DNN 8.0.03 login button not working

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New Around Here
Posts: 5
New Around Here

i have tried 4 browsers and 4 different pcs.  none will work.

a few weeks ago the dnn site was working properly.
now on the login page the cancel button works but login does nothing.
errors from the F12 console are below.
nothing was changed on the site. unless it was Windows OS or the version of asp.net done by the hosting company.

error messages below

Failed to load resource: the server responded with a status of 403 (ModSecurity Action)
WebResource.axd:1 Failed to load resource: the server responded with a status of 403 (ModSecurity Action)
Telerik.Web.UI.WebResource.axd:1 Failed to load resource: the server responded with a status of 403 (ModSecurity Action)
dnn.js:1 Uncaught ReferenceError: Sys is not defined
    at dnn.js:1
dnn.jquery.js?cdv=72:4290 Uncaught ReferenceError: Sys is not defined
    at dnn.jquery.js?cdv=72:4290
    at dnn.jquery.js?cdv=72:4293
login:59 Uncaught ReferenceError: Sys is not defined
    at login:59
dnncore.js?cdv=72:1 Uncaught TypeError: Cannot read property 'getById' of undefined
    at __dnn_SetInitialFocus (dnncore.js?cdv=72:1)
    at login:2617
login:2526 Uncaught TypeError: Cannot read property 'WebForms' of undefined
    at HTMLDocument. (login:2526)
    at c (jquery.min.js?cdv=72:3)
    at Object.fireWith [as resolveWith] (jquery.min.js?cdv=72:3)
    at Function.ready (jquery.min.js?cdv=72:3)
    at HTMLDocument.H (jquery.min.js?cdv=72:3)
onloadwff.js:71 Uncaught Error: Extension context invalidated.
    at onLoad (onloadwff.js:71)
    at onloadwff.js:71
onloadwff.js:71 Uncaught Error: Extension context invalidated.
    at onloadwff.js:71
    at onloadwff.js:71
6login:2417 Uncaught TypeError: dnn.addIframeMask is not a function
    at HTMLAnchorElement. (login:2417)
    at HTMLAnchorElement.dispatch (jquery.min.js?cdv=72:3)
    at HTMLAnchorElement.v.handle (jquery.min.js?cdv=72:3)
Telerik.Web.UI.WebResource.axd:1 Failed to load resource: the server responded with a status of 403 (ModSecurity Action)
(unknown) Uncaught ReferenceError: WebForm_DoPostBackWithOptions is not defined
    at :1:1
(anonymous)
login:2417 Uncaught TypeError: dnn.addIframeMask is not a function
    at HTMLAnchorElement. (login:2417)
    at HTMLAnchorElement.dispatch (jquery.min.js?cdv=72:3)
    at HTMLAnchorElement.v.handle (jquery.min.js?cdv=72:3)
DevTools failed to load SourceMap: Could not load content for chrome-extension://hdokiejnpimakedhajhdlcegeplioahd/sourcemaps/onloadwff.js.map: HTTP error: status code 404, net::ERR_UNKNOWN_URL_SCHEME

Veteran Member
Posts: 546
Veteran Member
MVP
MVP
You're an MVP!
did you restart the IIS application pool?
Besides, for security reasons, you should upgrade to latest DNN version (9.6.2 atm)
New Around Here
Posts: 2
New Around Here
Hi, Sebastian and Michael. I've been away from supporting DNN for a good 4 to 5 years, and I'm pretty rusty.

However, a friend has an old 7.2.1 site that's still operating for a small restaurant (https://flynnsonveniceave.com). They had closed for the pandemic, and they just reopened this week. They suddenly discovered that the control menus don't work and they can't edit pages. The last time that they successfully used these functions was in May when they closed.

So I took a look at it this morning, and I'm seeing the same errors that Michael reported for his site. Michael, did you ever find a solution?

Yes, this old site needs to be upgraded due to security issues. I'll need dig into what it takes to upgrade a DNN site from 7.x to 9.x. This has a custom skin which might complicate things a bit. Man, then last time that I've done a DNN upgrade was back in the 7.x era. This is going to be fun to learn again.

See Ya!
Van
New Around Here
Posts: 2
New Around Here

Hi. I want to report that I solved the error for the DNN 7.2.1 site. I used Patrick McKnight's solution here:
https://www.dnnsoftware.c...function-not-working

Under Host Settings -> Advanced Settings, I made the following changes:

jQuery Settings:
- Installed jQuery Version: 1.9.1 (no change)
- Installed jQuery UI Version: 1.10.3 (no change)
- Use jQuery Debug Version: No (no change)
- Use Hosted jQuery Version: Yes (no change)
- Hosted jQuery URL:
--- From: https://ajax.googleapis.c.../1.9.1/jquery.min.js
--- To: https://ajax.aspnetcdn.co.../jquery-1.9.1.min.js
- Hosted jQuery Migrate Plugin URL:
--- From: ---none---
--- To: https://ajax.aspnetcdn.co...migrate-1.2.1.min.js
- Hosted jQuery UI URL:
--- From: https://ajax.googleapis.c...0.3/jquery-ui.min.js
- To: https://ajax.aspnetcdn.co...0.3/jquery-ui.min.js

CDN Settings:
- Enable MS Ajax CDN:
--- From: No
--- To: Yes
- Enable Telerik CDN:
--- From: No
--- To: Yes
- Telerik CDN Basic URL: ---none---  (No Change)
- Telerik CDN Secure URL: ---none--- (No Change)
- Use javascript libraries CDN: No (No Change)

After clicking "Update", all of the client-side errors stopped occurring and the edit page functionality started working again.

See Ya!
Van

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