Docker: [windows] improve error thrown when attempting to connect to Docker when Docker isn't running : IDEA-268618
![pipe/docker_engine: Access is denied. In the default daemon configuration on Windows, the docker client must be run elevated to connect · Issue #1679 · docker/for-win · GitHub pipe/docker_engine: Access is denied. In the default daemon configuration on Windows, the docker client must be run elevated to connect · Issue #1679 · docker/for-win · GitHub](https://user-images.githubusercontent.com/164266/36010914-9c911082-0d5c-11e8-9213-98f349f082fb.png)
pipe/docker_engine: Access is denied. In the default daemon configuration on Windows, the docker client must be run elevated to connect · Issue #1679 · docker/for-win · GitHub
![Support mapped named pipe endpoint for Windows container · Issue #1179 · portainer/portainer · GitHub Support mapped named pipe endpoint for Windows container · Issue #1179 · portainer/portainer · GitHub](https://user-images.githubusercontent.com/207759/30086562-f3db134c-929b-11e7-9348-9ba312da081d.png)
Support mapped named pipe endpoint for Windows container · Issue #1179 · portainer/portainer · GitHub
![Troubleshoot Docker EE on Windows Server 2016 (“HNS Failed with error: …”) | by Ashish Singh Baghel | Medium Troubleshoot Docker EE on Windows Server 2016 (“HNS Failed with error: …”) | by Ashish Singh Baghel | Medium](https://miro.medium.com/v2/resize:fit:886/1*01oQIGZDueyB3AKMBN1G-A.png)
Troubleshoot Docker EE on Windows Server 2016 (“HNS Failed with error: …”) | by Ashish Singh Baghel | Medium
Cannot locate Windows named pipe "docker_engine" after passing -v \\.\pipe\ docker_engine:\\.\pipe\docker_engine · Issue #36562 · moby/moby · GitHub
![Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? – IDEs Support (IntelliJ Platform) | JetBrains Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? – IDEs Support (IntelliJ Platform) | JetBrains](https://intellij-support.jetbrains.com/hc/user_images/XgjjqrTATN1YAkz45bhniQ.jpeg)
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? – IDEs Support (IntelliJ Platform) | JetBrains
![Support mapped named pipe endpoint for Windows container · Issue #1179 · portainer/portainer · GitHub Support mapped named pipe endpoint for Windows container · Issue #1179 · portainer/portainer · GitHub](https://user-images.githubusercontent.com/12378390/51519376-0dcb3800-1e36-11e9-958d-6461cab51c39.png)