Php web hosting - Part 3: Windows Server 2003 Upgrades and Migrations
Part 3: Windows Server 2003 Upgrades and Migrations Microsoft Windows Server 2003 Inside Out Chapter 7 The following are additional factors to review: . Disk partitions Assess the disk partitions on the servers you want to upgrade. Certain constraints apply to upgrades; you cannot upgrade servers on a FAT partition, for instance, or those using Windows NT 4 fault-tolerant configurations. . Windows services Consider whether you want to phase out some legacy services, such as WINS. Don t be too hasty, though; by leaving the service installed and running for a while after the upgrade, you can ensure that network operations will continue uninterrupted during the transition away from the old service. . Windows applications Look at your existing applications and assess their functionality and compatibility. Check compatibility issues carefully because there are likely to be issues with each application. Don t rely on just what the vendor has to say do a bit of additional sleuthing, check out newsgroups (both at the vendor s site and public ones), ask colleagues what they have encountered, and so on. Tip No more POSIX or OS/2 support If you currently have applications that are operating in either the POSIX or OS/2 subsystem in a Windows NT 4 environment, you must replace these applications, because those subsystems are no longer supported. Alternatively, you could leave a server, or a few servers, in place to support the older applications. In either case, this is a decision to make early in the process, so the changeover is completed in plenty of time, and the impact on the network can be managed. 228
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