--- title: "How to Add a Certificate(s) to Windows" slug: "v5howtoaddacertificatestowindows" tags: ["Add a Certificate to Windows", "Microsoft Management Console", "Certificates", "import certificates"] updated: 2026-05-06T02:31:10Z published: 2026-05-06T02:31:10Z canonical: "help.12dsynergy.com/v5howtoaddacertificatestowindows" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.12dsynergy.com/llms.txt > Use this file to discover all available pages before exploring further. # How to Add a Certificate(s) to Windows Admin Content - Certificates must have a Private Key. - The Certificate must have a private key and be installed in the following locations. - **Microsoft Management Console > Console Root > Certificates (Local Computer) > Personal** - **Microsoft Management Console > Console Root > Certificates (Local Computer) > Trusted People** 1. Log in to the server on which the existing certificate to be re-used has been installed. 2. Click the **Windows Start** button, type **Run** and select the **Run** app. Alternatively, press the **Windows** + **R** keys together. > [!NOTE] > Instead of following steps 2-12 to access the **Certificate Import Wizard** to import the certificate, simply double-click the certificate in your Windows browser. Then follow step 13 onwards. 3. Type **mmc**. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-6ght4r9p.png) 4. Click the **OK** button. The **Microsoft Management Console** window is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-0xdmbwt7.png) 5. In the **File** menu option, select the **Add/Remove Snap-in** option. The **Add or Remove Snap-ins** prompt is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-159qh7xl.png) 6. In the **Available Snap-ins** section, click the **Certificates** snap-in. 7. Click the **Add >** button. The **Certificates snap-in** prompt is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-j19v0rjl.png) 8. Select the **Computer account** option and click the **Next** button. The **Select Computer** prompt is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-bf0oy02m.png) 9. Select the **Local computer** option and click the **Finish** button. In the **Add or Remove Snap-ins** prompt, the **Certificates (Local computer)** snap-in is moved to the **Selected snap-ins** section. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-x2whij4h.png) 10. Click the **OK** button. 11. In the **Microsoft Management Console** window, navigate through to **Console Root > Certificates (Local Computer) > Personal > Certificates** folder. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-iguzhq7s.png) 12. Right-click anywhere in the middle panel of the above window and select the **All Tasks > Import** option. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-fpa4igj5.png) The **Certificate Import Wizard** prompt is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-wfic2pv6.png) 13. Click the **Next** button. The **Open** dialog is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-7s12l7a7.png) 14. Browse and select the certificate to be added. > [!NOTE] > While browsing for the required certificate, ensure to look for files of all types (extensions) by selecting the **All files** option from the list against the **File Name** box. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-qyznx5li.png) The certificate to be added is displayed in the **File name** box in the **Certificate Import Wizard** prompt. 15. Click the **Next** button. 16. If the certificate is password-protected, then it will prompt for the password. Enter the password in the **Password** section. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-2efq6t9e.png) 17. Click the **Next** button. 18. Select the **Place all certificates in the following store** option. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-a4l7yphx.png) 19. Click the **Next** button. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-fofratvu.png) 20. Click the **Finish** button. 21. Follow steps 11-20 to import the certificate from the **Microsoft Management Console** > **Console Root > Certificates (Local Computer) > Trusted People > Certificates**. > [!NOTE] > Ensure that in step 18, the **Certificate Store** is **Trusted People**, as mentioned in the prompt below. > > ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-qmdwy1x2.png) 22. Restart the **12d Synergy Server** service by doing the following: 1. Click the **W**indows **Start button > Run** prompt **>** type **services.msc**. Alternatively, press the **Windows+R** keys simultaneously, and then type **services.msc**. The **Services** window is displayed. 2. Right-click the **12d Synergy Server** service and select the **Restart** option. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/v5howtoaddacertificatestowindows-image-ac28oitq.png) The 12d Synergy Server service is restarted, and the new certificates are loaded.