Issues with installing python libraries on Windows : CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://conda.anaconda.org/anaconda/win-64

python ssl https anaconda conda

I'd like to install the pymongo library but I'm getting the following error:

    (C:\Users\xxxxxxx\AppData\Local\Continuum\anaconda3) C:\Users\xxxxxxx>
    conda install -c anaconda pymongo

    Fetching package metadata ...
    CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://conda.anaconda.org/a
    naconda/win-64/repodata.json>
    Elapsed: -
    
    An HTTP error occurred when trying to retrieve this URL.
    HTTP errors are often intermittent, and a simple retry will get you on your way.
    
    ConnectTimeout(MaxRetryError("HTTPSConnectionPool(host='conda.anaconda.org', por
    t=443): Max retries exceeded with url: /anaconda/win-64/repodata.json (Caused by
     ConnectTimeoutError(<urllib3.connection.VerifiedHTTPSConnection object at 0x000
    00000054D6128>, 'Connection to conda.anaconda.org timed out. (connect timeout=9.
    15)'))",),)

Steps taken to resolve:

1. Update C:\Users\\xxxxxxx\.condarc file with the following:

channels:
  - defaults
ssl_verify: false
proxy_servers:
http: http://sproxy.fg.xxx.com:1000
https: https://sproxy.fg.xxx.com:1000

2. (C:\Users\xxxxxxx\AppData\Local\Continuum\anaconda3) C:\Users\xxxxxxx>
    conda config --set ssl_verify False

Additional Info:

(C:\Users\xxxxxxx\AppData\Local\Continuum\anaconda3) C:\Users\xxxxxxx>
conda info

Current conda install:

               platform : win-64
          conda version : 4.3.27
       conda is private : False
      conda-env version : 4.3.27
    conda-build version : 3.0.22
         python version : 3.6.2.final.0
       requests version : 2.18.4
            config file : C:\Users\xxxxxxx\.condarc
             netrc file : None
           offline mode : False
             user-agent : conda/4.3.27 requests/2.18.4 CPython/3.6.2 Windows/7 W
indows/6.1.7601
          administrator : False

A number of posts online simply reinstalled Anaconda, any other options apart from a fresh install?

DanielBell99

This works a charm:-

Just copy these:-

libcrypto-1_1-x64.dll libssl-1_1-x64.dll

from D:\Anaconda3\Library\bin to D:\Anaconda3\DLLs.

Worked for me to, any explanation on what went wrong? Why are these not already present?

Amazing, it worked for me. I tried turning off ssl_verify, but it didn't work.

Green tick should be on this comment.

If you add the Library\bin to path variable, you wouldn't need to copy and paste the files

Thank you so much @Swapnil...it took a minute to install and I crossed my fingers but it works like a charm!!! I'm going to set my environment per Imran as well. Thanks so much guys!!! I hope your numbers go up big time!

Nicolas Gervais

Execute the following command in the cmd prompt/terminal:

conda config --set ssl_verify no

Its not a good idea to unset ssl verification unless you know what you are doing. The other answer works for me for a brand new anaconda installation on windows.

that is exactly what anaconda tells you to do in the docs here. they don't explain why.

This was the only thing that worked for me. I tried re-installing Anaconda, upgrading anaconda, changing my path variable, and moving the DLL's around. This definitely makes me uncomfortable too

If you navigate to the repo from your browser https://repo.anaconda.com and you receive a warning like NET::ERR_CERT_AUTHORITY_INVALID then this is your best solution.

Wheeliam

I try to create a virtual env with python 2.7 with anaconda, the base env is python 3.7. I encounter the exactly same problem. It turns out that there isn't such problem with other virtual envs with python 3.7 or 3.6.

This post works perfectly to solve my problem on win7 with anaconda prompt. It basically says you need to add the following directories into your user environment path in windows (go to Start and type in: View Advanced System Settings, then select Environmental Variables: then select Path and click Edit: finally you can click New and add a path):

C:\your_directory_to_anaconda3\Anaconda3\Scripts

C:\your_directory_to_anaconda3\Anaconda3\

C:\your_directory_to_anaconda3\Anaconda3\Library\bin -- This is the directory for openssl

Oct, 2021. This is still working for me.

andiwi

If you added conda to your PATH variables, remove it and use the "Anaconda Prompt". This solved the problem for me.

See: https://github.com/conda/conda/issues/8046#issuecomment-450582208

thank you, this is the right fix. It it too tempting to add conda.exe location to path and then try but that causes a lot of trouble. Anaconda Prompt has all the right settings to get conda working.

I almost gave up. It was around 2 am when I saw this man. It solves everything

Barath M

I faced this issue when I tried to create environment. I solved it by first activating conda base environment by using:

conda activate base

then I created the environment

conda create -n myenv python=3.7

This was what I needed, none of the other fixes had an impact.

Jeremy Caney

Check the proxy URL Verify .condarc file

For me, the problem was with the indentation in the .condarc file.

proxy_servers:
  http: http://testproxy:8080
  https: https://testproxy:8080

In my case, the mistake was the file named"condaarc" instead of ".condaarc" (leading "." missing)

Max Benelhadj

My authenticated proxy server is configured with a domain whitelist for massive and repeated downloads so root or local sudoer doesn't need to be authenticated. Adding conda.anaconda.org is not enough as this repo redirect its traffic to amazonaws.com. In my case, adding ".amazonaws.com" to the whitelist solved the issue.

Peter Lucas

The issue was resolved by adding a username and password to file C:\Users\xxxxx.condarc

channels:
  - defaults
ssl_verify: false
proxy_servers:
  http: http://xxxxx:password@sproxy.fg.abc.com:yyyy
  https: https://xxxxx:password@sproxy.fg.abc.com:yyyy

Mehmet Ali Meram

I had the same problem on Windows 10-64 bit and intuitively installed the 64-bit version of miniconda. However, it results in exactly the same error above. Installing 32 bit conda installer has resolved the issue

Sameer Kumar Choudhary

I also had the Same Issue, I resolved by installing 32 bit Anaconda Installer. Which resolved the CondaHTTPError: HTTP 000 CONNECTION, on Windows 64 bit.

Neeraj Jain

I faced this issues after "conda clean -a" on win-64. Activating and deactivating existing conda env resolved the issue.

Abdulrahman Bres

You might need to upgrade your openssl installation

You can download it here (Try the latest version):

https://slproweb.com/products/Win32OpenSSL.html

Source: https://github.com/ContinuumIO/anaconda-issues/issues/6424#issuecomment-464660808

Michael Heidelberg

Before installing some package (pydicom) the installation run just fine. After it I tried to install matplotlib, but I got the same error as yours.

I tried conda config --set ssl_verify no but it didn't solve the problem so I set it again to true.

Fortunately, I had a virtual environment where I installed my packages. I closed all Anaconda prompts and tried in a new test environment. Magically, the install worked. I came back to my original virtual env and run the install again, and it worked!.

It might be that I just had to wait for some time before I could use conda install again.

One other thing I could do is remove the package that caused the problem, but I didn't have the chance to try it. If it has anything to do with some virtual environments not being affected, then one possible way to guard against this is to clone the environment before installing any new package.

Edit: I tried the same solution but It did not work. But instead of showing the error immediately, it asks me whether I want to proceed. I deactivated the env, and re-opened anaconda prompt, then did the same steps as above and worked again.

Victor Ochieng'

Came across the CondaHTTP Connection error after installing Anaconda environment on a new Windows 10 computer. I tried virtually all the recommendations above unsuccessfully! Looking up the Anaconda archives ( https://repo.continuum.io/archive/ ), I downloaded the immediate previous release .... and on installation and rebooting my PC, all is now wellscreenshot of release

Shovalt

In short - installing Microsoft Visual C++ Redistributable for Visual Studio solved my problem.

In more detail: upon trying a suggested solution of installing a new version of OpenSSL, the installation process told me I was missing a dependency - the Visual Studio Redistributable package. The installer led me to a direct download page of the 2017 version. I can't find that page now, but the official release of 2019 can be found here, and should work as well (found under Other Tools and Frameworks).

Wheeliam

Uninstalling and reinstalling anaconda for all users (instead, of current user only, requires admin privileges) and activating the option to add Anaconda to PATH during the installation process, fixed the issues for me.

https://i.stack.imgur.com/q38ar.png

This is what fixed it for me, deleted the folder it installed to, re-ran the installer, checked this box (didnt have it checked prior), error went away.

sciencejedi

Thank you everyone for your responses. In my case, I found out that my Kaspersky Internet Security was blocking it the whole time. The moment I quit the application all applications were downloaded. Please check your firewall settings before trying all the above options.

ayrunn

I tried all of these solutions and none worked for me. After running the command

conda config --remove-key channels

in the Anaconda Prompt, everything started working for me on my next attempt.

this is probably only the reason when you have "channels" in your config file

Yaniv

Adding that I had the same problem on ubuntu on WSL. None of the solutions worked for me, until I realized I was working on WSL version 1 (I thought I'd already upgraded). Upgrading from WSL 1 to WSL 2 solved the problem for me.

Bhanuday Sharma

Running following these two commands worked for me.

conda config --remove-key proxy_servers
conda clean --source-cache

Keith

I'd tried all of the advice on this and many other webpages. In the end I broadcast a "help me Obiwan Kenobi, you're my only hope message" to a large group of people at work and one of them who used python all the time was able to help me

The trick was to set several windows environmental variables

CURL_CA_BUNDLE

REQUESTS_CA_BUNDLE

SSL_CERT_FILE

To my company's root certificate (a .cer or .crt) which I had downloaded to a spot on my disk

You may also need to add (in my case)

C:\Users\kdalbey\Anaconda3\Scripts

(or your particular \Anaconda3\Scripts) to your path.

And then I set proxies just for good measure note I previously copied libcrypto-1_1-x64.dll, libcrypto-1_1-x64.pdb, libssl-1_1-x64.dll, libssl-1_1-x64.pdb from anaconda3\Library\bin to anaconda3\DLLs so that could be part of the secret sauce

and it didn't work until I killed and restarted anaconda-navigator

mkohler

My issue was simply not running the conda init command prior to attempting to create an environment.

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Issues with installing python libraries on Windows : CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://conda.anaconda.org/anaconda/win-64

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