Once you have DNS/DHCP Servers within BlueCat Server Update Services (BSUS), you can apply updates, security patches, and hotfixes on managed DNS/DHCP Servers immediately, or schedule them to be applied on a future date and time. When applying updates, you can select multiple updates to be applied in a single event. However, it is important to specify the correct order of updates to prevent errors during the update process.
You can manage the update files within the Server Updates tab. You
can only upload zipped files (.zip) and tarballs (.tar
and .tar.gz files) that are released for DNS/DHCP Servers.
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Validate the integrity of the update file with the respective MD5 checksum.
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Check the DNS/DHCP Servers to make sure there is sufficient disk space to perform the update.
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Verify that the patch is not yet installed on the DNS/DHCP Server.
If the patch is already applied on a Server, BSUS skips that Server during the installation phase.
If these checks pass, the system applies the pre-upgrade customization script on the target server (if one is configured), then applies the update.