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Android Client Blank

Craig Kibodeaux 2 years ago updated 2 years ago 12

I open the ConnectWise Control app (both standard version and beta program) on an Android Pixel and place the server URL into the box. I've tried connecting as host and as guest but each time I get taken to a blank screen. There was a recent update to the app and we have also recently switched to using https on the server. Not sure when the problem began.


Server URL: https://remote.gen-techsupport.com

Server Version: 6.4.15361.6527

Android Client Version: 6.4.15453.6534

ConnectWise Control Version:
9
Server Affected:
Host Client Affected:
Guest Client Affected:
Waiting for information

Good morning,


I was able to access the guest/host pages of a mono-based server on version 6.4.15361 via the Android app without issue.


I wonder if the issue you're experiencing has anything to do with the Let's Encrypt certificate/installation? Also, are you using nginx or similar in your ConnectWise Control environment?


Regards,

Ben

Morning,


Server is standalone. Nothing else besides Control installed. No proxy. Setup for SSL was done with the configuration script.

Craig -- any chance you're using Verizon? I've had something similar going on for a few months and now have to take my laptop with me to be able to interact with SC clients. My Android (7.1.1) device simply fails to connect to devices. It does allow me to run non-interactively: stuff like device list, commands, reinstall, and search/filter though.

I have T-Mobile but most of the time I'm on WiFi.

Has there been any progress on this? I'd like to get the unattended access setup on a couple devices.

i still can't login interactively either with the latest build of 6.4 (I can't upgrade to 6.5 since it will disable all of my custom extensions)

Good morning, the original issue described in this thread relates to a Mono server using a Let's Encrypt certificate -- the Control app for Android displays the following message after attempting a connection to the Host/Guest pages:


primary error: 3 certificate: Issued to: CN=[issuee], Issued by: CN=Let's Encrypt Authority X3,O=Let's Encrypt,C=US; on URL: [url]


I've registered a separate issue to investigate why the Android app encounters this error, and it's currently under investigation.

Good afternoon,


We found that the cert store in our branch of mono was missing the intermediate certificate found here:


https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem.txt


The intermediate cert will be included in forthcoming releases of ConnectWise Control.


In the meantime, you can manually add the intermediate to your Control install by creating a new file called tbp-‎E6A3B45B062D509B3382282D196EFE97D5956CCB.cer with the following content and placing it in the directory  /opt/screenconnect/App_Runtime/etc/.mono/certs/CA (path assumes default installation location):


-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----


Regards,

Ben