Manual Update or DVD Update
Manual updating is typically done when applying service packs, rather than hotfixes. SPs tend to be significantly larger than updates or hotfixes, so many administrators download the service pack once and then apply it manually to their servers, or the SP can be obtained on DVD.
When an SP DVD is inserted into the drive of the server, it usually launches an interface to install the SP.
In the case of downloaded SPs or of DVD-based SPs, the SP can also be applied manually via a command line. This allows greater control over the install (see Table 20.9), such as by preventing a reboot or to not back up files to conserve space.
Table 20.9. Update.exe Command-Line Parameters
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