A week ago I started getting Synchronization Failed error messages in Evernote Sticky Notes for Windows, which meant my Sticky Notes stopped being synced to Evernote server and consequently across all of my devices. The Error code was: AUTH_EXPIRED, Parameter: authenticationToken.
I have tried removing my Evernote user account in the settings menu of the Evernote Sticky Notes application in order to fix the issue. When trying to activate my user account again by clicking on the Request activation link button, the dreaded “The remote server returned an error: (411) Length Required” error message came up. I have tried uninstalling the Sticky Notes, cleaning the register, re-installing an older version of the software but nothing solved the mentioned problem. Sticky Notes would only synchronize with Dropbox or Google Drive but not with Evernote.
I use Evernote Sticky Notes on a daily basis and since developers at Edo-Soft no longer actively maintain it, I have decided to repair it myself and offer an updated authentication library (DLL) file for download on this blog.
If you would like, you can skip technical writing and go straight to the solution.
As a safety feature, Evernote incorporates an authorization / authentication process, through which, applications such as Evernote Sticky Notes need to go, in order to allow them access to Evernote accounts on users behalf. The mentioned process is called an OAuth flow and it uses OAuth authorization framework to enable applications a limited access to a HTTP service such as Evernote Cloud API.
A correct authorization process should work like this – When user clicks on the “Request activation link” button, Evernote Sticky Notes application requests a temporary token from the Evernote server, using a GET request method. After it receives the temporary token from the Evernote server, it creates a unique activation link to the Evernote authorization page, using the mentioned token. User clicks on the link and is redirected to Evernote authorization page where he grants the Sticky Notes application, access to his account for the limited time period (1 year maximum). After granting access, user receives another token in the form of a verification code, displayed on the Evernote authorization page. User then copies the received code into the verification code window in the Evernote Sticky Notes application. Application uses this token (valid for 1 year) every time it connects to the Evernote server in order to gain access and synchronize notes to the cloud.
The issue with the Evernote Sticky Notes application is that it uses an outdated OAuth library (DLL) file which prevents it to communicate with the Evernote server correctly and thus cannot request a temporary token from it. User sees this only as a “https://” text where an activation link should be, since the application is unable to create an activation link without the temporary token.
I was able to fix an outdated OAuth authentication library file by decompiling it, updating the source code and recompiling it. Evernote Sticky Notes now communicates with the Evernote server correctly. It is once again able to request a temporary token and thus complete an activation process successfully.
Below are instructions for replacing an outdated authentication library (DLL) file with an updated version, available on this blog. Updated DLL file is compatible with Evernote Sticky Notes v1.5.9, which is the latest available version of Sticky Notes. If Evernote Sticky Notes v1.5.9 application is not already installed on your computer, download and install it before following instructions below.
1. Download an updated authentication library
Click on the link below and save an updated DLL file to your computer. Do not change the filename, the name of the file should be “StickyNotes.OAuth.dll”.
- StickyNotes.OAuth.dll (Downloaded 516 times)
*File is hosted on Dropbox. If link doesn’t work, please contact me at email@example.com.
2. Close the Evernote Sticky Notes application
Evernote Sticky Notes application needs to be closed before following the next step. Make sure it is not running, by going to the taskbar and searching for the Evernote Sticky Notes icon. If the icon is present in the taskbar, right-click on it and click on “Exit”. Click “Yes” on the Exit application confirmation dialog.
3. Replace an outdated StickyNotes.OAuth.dll file
Go to the folder where you have saved the new StickyNotes.OAuth.dll file, right-click on it and choose “Copy”. Now go to the folder where your Evernote Sticky Notes is installed, by default that’s in “C:\Program Files\Evernote Sticky Notes\” or “C:\Program Files (x86)\Evernote Sticky Notes\” on 64 bit operating systems.
Right-click on the empty space inside the installation folder and choose “Paste”. The “file replacement” or “file overwrite” confirmation dialog should open, asking if you would like to replace the file in the destination. Choose to replace an outdated StickyNotes.OAuth.dll file for an updated one. Restart your computer.
4. Activate your user account in Evernote Sticky Notes application
Open Evernote Sticky Notes application. Go to “Settings” and make sure that under the “Please select the account type you want to synchronize your notes with” Evernote is selected. Click on the “Request activation link” button. A working activation link should now be displayed. Click on it and follow directions on the Evernote website to Re-authorize Sticky Notes to access your account for a period of 1 year. Copy the received verification code and paste it inside the verification code window in the Evernote Sticky Notes application. Click on the “Complete activation” button.
You have now successfully linked Evernote Sticky Notes application to your Evernote user account and enabled the synchronization of your local notes to the Evernote server. Activation or authorization is valid for the period of 1 year and will need to be repeated after that.
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