
289 Copyright © Acronis, Inc., 2000-2011
For self-signed certificates, the certificate thumbprint (also known as fingerprint or hash) is used for
future host identification: if a client has previously connected to a server by using a self-signed
certificate and tries to establish connection again, the server checks whether the certificate's
thumbprint is the same as the one used before.
Self-signed certificates
On machines running Windows, if the certificate location contains no server certificate, a self-signed
server certificate is automatically generated and installed during the installation of any Acronis
component except Acronis Backup & Recovery 11 Management Console.
If the machine is renamed after its self-signed certificate was generated, the certificate cannot be
used and you will need to generate a new one.
To generate a new self-signed certificate
1. Log on as a member of the Administrators group.
2. In the Start menu, click Run, and then type: cmd
3. Run the following command (note quotation marks):
When using a 32-bit version of Windows:
"%CommonProgramFiles%\Acronis\Utils\acroniscert" --reinstall
When using a 64-bit version of Windows:
"%CommonProgramFiles(x86)%\Acronis\Utils\acroniscert" --reinstall
4. Restart Windows, or restart the running Acronis services.
Non-self-signed certificates
You have the option to use trusted third-party certificates or certificates created by your
organization's CA as an alternative to self-signed certificates, by using Acronis Certificate
Command-line Utility.
To install a third-party certificate
1. Click Start, then click Run, and then type: certmgr.msc
2. In the Certificates console, double-click the name of the certificate that you want to install.
3. In the Details tab, in the list of fields, click Thumbprint.
4. Select and copy the field's value, called a certificate thumbprinta string such as 20 99 00 b6 3d
95 57 28 14 0c d1 36 22 d8 c6 87 a4 eb 00 85
5. In the Start menu, click Run, and then type the following in the Open box (if you are using a
64-bit version of Windows, replace %CommonProgramFiles% with
%CommonProgramFiles(x86)%):
"%CommonProgramFiles%\Acronis\Utils\acroniscert.exe" --install "20 99 00
b6 3d 95 57 28 14 0c d1 36 22 d8 c6 87 a4 eb 00 85"
(Note quotation marks; substitute the sample thumbprint shown here with that of your
certificate.)
11.2 Creating a centralized backup plan
A centralized backup plan can be applied to both Windows and Linux machines.
The steps required for the creating centralized backup plan are similar to creating a backup plan (p.
45) except the following:
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