Assign a server-to-server authentication certificate to Skype for Business Server 2015

Skype for Business Server 2015
 

마지막으로 수정된 항목: 2015-08-17

Summary: Assign a server-to-server authentication certificate for 비즈니스용 Skype 서버 2015.

To determine whether or not a server-to-server authentication certificate has already been assigned to 비즈니스용 Skype 서버 2015, run the following command from the 비즈니스용 Skype 서버 관리 쉘:

Get-CsCertificate -Type OAuthTokenIssuer

If no certificate information is returned you must assign a token issuer certificate before you can use server-to-server authentication. As a general rule, any 비즈니스용 Skype 서버 2015 certificate can be used as your OAuthTokenIssuer certificate; for example, your 비즈니스용 Skype 서버 2015 default certificate can also be used as the OAuthTokenIssuer certificate. (The OAUthTokenIssuer certificate can also be any Web server certificate that includes the name of your SIP domain in the Subject field.) The primary two requirements for the certificate used for server-to-server authentication are these: 1)the same certificate must be configured as the OAuthTokenIssuer certificate on all of your Front End Servers; and, 2) the certificate must be at least 2048 bits.

If you do not have a certificate that can be used for server-to-server authentication you can obtain a new certificate, import the new certificate, and then use that certificate for server-to-server authentication. After you have requested and obtained the new certificate you can then log on to any one of your 프런트 엔드 서버 and use a Windows PowerShell command similar to this one to import and assign that certificate:

Import-CsCertificate -Identity global -Type OAuthTokenIssuer -Path C:\Certificates\ServerToServerAuth.pfx  -Password "P@ssw0rd"

In the preceding command the Path parameter represents the full path to the certificate file, and the Password parameter represents the password that was assigned to the certificate. This procedure should be run just one time: the 비즈니스용 Skype 서버 replication service will then automatically create a set of scheduled tasks that will decrypt and deploy the certificate to all your Front End Servers.

Alternatively, you can use an existing certificate as your server-to-server authentication certificate. (As noted, the default certificate can be used as the server-to-server authentication certificate.) The following pair of Windows PowerShell commands retrieve the value of the default certificate's Thumbprint property, then use that value to make the default certificate the server-to-server authentication certificate:

$x = (Get-CsCertificate -Type Default).Thumbprint
Set-CsCertificate -Identity global -Type OAuthTokenIssuer -Thumbprint $x

In the preceding command, the retrieved certificate is configured to function as the global server-to-server authentication certificate; that means that the certificate will be replicated to, and used by, all your 프런트 엔드 서버. Again, this command should only be run one time, and only on one of your 프런트 엔드 서버. Although all 프런트 엔드 서버 must use the same certificate, you should not configure the OAuthTokenIssuer certificate on each 프런트 엔드 서버. Instead, configure the certificate once, then let the 비즈니스용 Skype 서버 2015 replication server take care of copying that certificate to each server.

The Set-CsCertificate cmdlet takes the certificate in question and immediately configures that certificate to act as the current OAuthTokenIssuer certificate. (비즈니스용 Skype 서버 2015 keeps two copies of a certificate type: the current certificate and the previous certificate.) If you need the new certificate to immediately begin to act as the OAuthTokenIssuer certificate then you should use the Set-CsCertificate cmdlet.

You can also use the Set-CsCertificate cmdlet to "roll" a new certificate. "Rolling" a certificate simply means that you configure a new certificate to become the current OAuthTokenIssuer certificate at a specified point in time. For example, this command retrieves the default certificate and then configure that certificate to take over as the current OAuthTokenIssuer certificate as of July 1, 2015:

$x = (Get-CsCertificate -Type Default).Thumbprint
Set-CsCertificate -Identity global -Type OAuthTokenIssuer -Thumbprint $x -EffectiveDate "7/1/2015" -Roll

On July 1, 2015 the new certificate will be configured as the current OAuthTokenIssuer certificate and the "old" OAuthTokenIssuer certificate will be configured as the previous certificate.

If you do not want to use Windows PowerShell you can also use the Certificates MMC console to export a certificate from one 프런트 엔드 서버 and then import that same certificate on all your other 프런트 엔드 서버. If you do this, make sure that you export the private key along with the certificate itself.

Caution주의:
In this case, the procedure must be performed on each 프런트 엔드 서버. When exporting and importing certificates in this manner 비즈니스용 Skype 서버 2015 will not replicate that certificate to each 프런트 엔드 서버.

After the certificate has been imported to all your Front End Servers, that certificate can then be assigned by using the 비즈니스용 Skype 서버 Deployment Wizard instead of Windows PowerShell. To assign a certificate by using the Deployment Wizard, complete the following steps on a computer where the Deployment Wizard has been installed:

  1. Click Start, click All Programs, click 비즈니스용 Skype 서버 2015, and then click 비즈니스용 Skype 서버 Deployment Wizard.

  2. In the Deployment Wizard, click Install or Update 비즈니스용 Skype 서버 System.

  3. On the 비즈니스용 Skype 서버 2015 page, click the Run button under the heading Step 3: Request, Install or Assign Certificates. (Note: If you have already installed certificates on this computer then the Run button will be labeled Run Again.)

  4. In the Certificate Wizard, select the OAuthTokenIssuer certificate and then click Assign.

  5. In the Certificate Assignment wizard, on the Certificate Assignment page, click Next.

  6. On the Certificate Store page, select the certificate to be used for server-to-server authentication and then click Next.

  7. On the Certificate Assignment Summary page, click Next.

  8. On the Executing Commands page, click Finish.

  9. Close the Certificate Wizard and the Deployment Wizard.

 
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