2576442 - Fiori Client on Mobile gives a certificate error ERR_BAD_SSL_CLIENT_AUTH_CERT when using Virtual Private Network (VPN) Providers

When the Fiori Client application is opened on a mobile device certificate error is encountered with the following text:

The page cannot be displayed due to a problem with the server certificate. Certificate Error
Error Cause: net::ERR_BAD_SSL_CLIENT_AUTH_CERT
Certificate Information: not available

In the Fiori Client logs the following log entries are visible:

2017-12-04 16:37:35:037+0530 SMP_ONLINE ERROR onReceivedError called with error code -11 and description: net::ERR_BAD_SSL_CLIENT_AUTH_CERT
2017-12-04 16:37:35:037+0530 SMP_ONLINE INFO file:///android_asset/www/CertificateErrorPage.html?errorMessage=net%3A%3AERR_BAD_SSL_CLIENT_AUTH_CERT&failingUrl=https%3A%2F%2F<IP address of authentication provider>%3A<port>%2Fsap%2Fbc%2Fui5_ui5%2Fui2%2Fushell%2Fshells%2Fabap%2FFioriLaunchpad.html&cert=not%20available
2017-12-04 16:37:35:037+0530 com.sap.mp.fioriclient.launchpadstatistics ERROR Timer hasn't been started yet
2017-12-04 16:37:35:037+0530 SMP_SETTINGS DEBUG For plugin [File] The feature is enabled

.
2017-12-04 16:38:09:038+0530 SMP_CACHE_MANAGER DEBUG Loading from server: https://<IP address of authentication provider>:<port>/sap/bc/ui5_ui5/ui2/ushell/shells/abap/FioriLaunchpad.html
2017-12-04 16:38:10:038+0530 SMP_ONLINE ERROR onReceivedError called with error code -11 and description: net::ERR_BAD_SSL_CLIENT_AUTH_CERT
2017-12-04 16:38:10:038+0530 SMP_ONLINE INFO file:///android_asset/www/CertificateErrorPage.html?errorMessage=net%3A%3AERR_BAD_SSL_CLIENT_AUTH_CERT&failingUrl=https%3A%2F%2F<IP address of authentication provider>%3A<port>%2Fsap%2Fbc%2Fui5_ui5%2Fui2%2Fushell%2Fshells%2Fabap%2FFioriLaunchpad.html&cert=not%20available
2017-12-04 16:38:10:038+0530 com.sap.mp.fioriclient.launchpadstatistics ERROR Timer hasn't been started yet

• Fiori Client
• Android 
• iOS
• Windows Phone
• Virtual Private Network (VPN) provider independent

VPN; Fiori Client; Android; iOS; Windows Phone; Windows; ERR_BAD_SSL_CLIENT_AUTH_CERT , KBA , MOB-FC , SAP Fiori Client Native Mobile Application , Problem