Trust Ter Hell Root Certificate

Here is the description to give Computer the necessary Information to Trust Ter Hell Root CA.

Download Root CA certificate from

http://ca.tergroup.com/certdata/CA1_Ter%20Hell%20RootCA.crt

For VPN download the following RootCA:

http://ca.tergroup.com/certdata/CA1_TerHell_RootCA_Latest.crt

Installation instruction:

Press Save to download and save the RootCA which you selected

Download Intermediate CAs (CA2 & CA3):

http://ca.tergroup.com/certdata/CA2.tergroup.net_Tergroup-CA2.crt

http://ca.tergroup.com/certdata/CA3.tergroup.net_Tergroup-CA3.crt

Press Save to download and save the Intermediate CA 2 & 3

Now you should have all Certificates in your Downloads directory

Open MMC.EXE as ADMINISTRATOR to import the downloaded certificates.
It is important to run it as Administrator since we have to import the certificates in our local computer which will not be accessible if started without Administrator privileges!

Press Start, type MMC.EXE, click right mouse button and select “run as administrator”

The MMC.EXE is opening with empty window.

Press File and ADD/Remove Snap-in…

From the list of Snap-In choose Certificates and click Add >

A dialog asks what to do, choose Computer account and click next (will not be selectable without administrator privileges)

Select local computer and click finish

That is all we need, so choose OK

Go to Trusted Root Certification Authorities, and select sub point Certificates with right mouse click, All Tasks and Import…
GER: Stammzertifizierungsstelle = Trusted Root Certification Authorities

A Wizard starts to help you with import, click next

Click on Browse

Select the Ter Hell RootCA and click on “open” and afterwards on “Next” to proceed with the wizard.

The wizard asks now where to place the selected certificate, predefined is the Store witch you choose at beginning.

Make sure that the RootCA will be imported into the Trusted Root Certification Authorities

Check if everything is okay and click on Finish to complete the import wizard.

Press OK

Now do the same for the second and third downloaded certificates (CA2 & CA3)
but this time we want to import the certificate into the Intermediate Certification Authorities / Certificates.
Repeat this task for the CA2 and CA3.

Next, Browse, Choose File CA2.tergroup.net_Tergroup-CA2 open, Next
Certificate Store is Intermediate Certification Authorities

Next and Finish and last OK

Do the same Intermediate certificate import for CA3.tergroup.net_Tergroup-CA3.cer file.

Now this PC trusts all certificates from Ter hell RootCA and so the certificate used on https://apps.tergroup.net