In this article, we will show how to produce a Certificate Request using the management console with the Certificates snap-in. After importing the certificate in the computer container.  In this case we are generating a digital certificate that will be installed at 2010 TMG that it is configured as Reverse Proxy Server Lync pool. The enterprise certification service is installed along with the domain controller with the service and this Web Enrrolement active.

The certificate will be generated with multiple Destinguish Name and Subject Alternative Names.

Connection Manager Certificate

Start running on the machine and run the mmc to start the management console, click File and Add / Remove Snap-in


Select the Certificate Snap-in and add to the console


Select Computer Account to manage the certificates installed on computed


Select Local Computer and finish the wizard


Request Certificate

Expand the Personal folder in the Certificates. Right-click All Tasks, select Advanced Operations and Create Custom Request ....


Go to start the certificate request



Select the Enrollment Policy 


Select the template of the certificate to the Reverse Proxy must select Web Server template


In the Certificate Information tab expand the Details and click Properties to configure the options of the Certificate



Tab Certificeta Properties in select  Subject Name option Type: Common Name and Value set the FQDN of the primary service that uses the certificate. In part of Alternative Name select Typer: DNS and  add all the FQDN's that bear the certificate


In the tab General set the Friendly Name of the certificate, this option does not affect any functionality of the certificate may take any value. Usually we set up a brief description of the functionality of the certificate


Tab Private Key option expand the Key Options check the Make Private key exportable. Apply the changes and finish the wizard


In Certificate Enrollment advance 


Select the folder where the request is saved and finish the assistant


Generate the Certificate

Access the address of the Web Enrollment of digital certification in the URL https:// <FQDN server certificado> / CertSrv and click Request Certificate 


Click the Advanced Certificate Request


Select Submit a certificate request by using the base 64-encoded CMC or PKCS # 10 file, or submit a renewal request by using the base 64-encoded PKCS # 7 file


Open the request file in Notepad, select and copy the entire contents 


Paste the contents of the file request in the space Saved Request and select the Certificate Template: Web Server and click Submit


The certificate will be generated, click Download Certificate and save the certificate in a folder


Check the settings of the certificate are correct and that the option of private key is present in the certificate


Import Certificate

Return to the management console expand the Personal Right click Certificates select All Tasks and click Import ...


Go to start the certificate import


Select the certificate that was saved


Go to the configuration of the Certificate Store


And finalize the wizard


The certificate must be imported and ready to be linked to services