To use the ‘Import Cert’ feature, the certificate must match the following requirements:
1) Certificate must include Private Key
2) Certificate must be in a PFX File
3) PFX file must be password protected
Using the "Install Web Certificate" button:
If the warning "Only exported certificates or signed certificate requests are supported" is noted when using the "Install Web Certificate" is seen and the Web Certificate is a *.crt file these steps may assist to convert the *.crt file to a *.cer file:
1. Open the *.crt by double clicking.
2. On the 'Details' tab click the 'Copy to File...' button.
3. Select the 'Base-64 encoded X.509 (.CER)' option.
4. Select a location and name for the *.CER.
5. Use this CER when using the "Install Web Certificate" button.