To do that, follow this procedure:
1. Log on as an administrator to the LCS 2005 access proxy system from which you
plan to export the certifi cate.
2. Click Start | Run, type mmc, and click OK.
SOME INDEPENDENT ADVICE
The decision to reuse an existing server name (and thus preserve the existing
certifi cate) versus creating a brand-new server name for OCS 2007 is a matter of
simplicity in issuing certifi cates. If your organization depends on an external
certifi cation authority (CA; such as Verisign, Thwart, or Chosen) and pays for
certifi cates to be issued, you will likely want to use the same name for your new
edge server as you used for your access proxy. Using the same server name will
allow you to export your certifi cate from LCS 2005 and import it into OCS 2007.
However, if you have your own internal PKI setup where you can issue
your own certificates relatively easily, you can choose a new server name and
insert a new secured server to your OCS 2007 environment.
Upgrading to Office Communications Server 2007 ??? Chapter 11 343
3. From the MMC program, click File | Add/Remove Snap-in.
4. On the Add/Remove Snap-in dialog box, click Add.
5. Scroll down and highlight Certifi cates, as shown in Figure 11.4, and then click Add.
Figure 11.4 Choosing the Certifi cates MMC Snap-in
6. When prompted with ???This snap-in will always manage certifi cates for:??? select
Computer account, and then click Next.
7. When prompted to select a computer to manage, choose Local computer, and
then click Finish.
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