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citrix · 05-29-2006, 06:58 PM **Planning Your Deployment-Software Considerations**

Operating System Configuration

The following Windows server operating system configuration options are recommended to improve the performance, stability, and security of your Presentation Server implementation.

General Recommendations

• All partitions must be in Windows NT File System (NTFS) format. NTFS enables security configuration, better performance, fault tolerance, and also saves disk space usage because NTFS partitions have small and constant cluster sizes (the minimum size is 4KB). File Allocation Table (FAT) partitions require much larger cluster sizes because the size of the partition increases (with the minimum being 32KB). More space is wasted on FAT partitions because the file system requires an amount of physical disk space equal to the cluster size of the partition used to store a file, even if the file is smaller than the cluster size. For more information about cluster sizes of FAT and NTFS partitions, see Microsoft Knowledge Base article 140365.

• If possible, when using Windows 2000 Server or Windows NT, install only one network protocol on the server. This practice frees up system resources and reduces network traffic. If multiple protocols are needed, set the bind order so that the most commonly used protocol is first.

• When working with Windows 2000 Server, increase the registry size to accommodate the additional user profile and applications settings that are stored in the registry. On a single-processor server, you must reserve at least 40MB for the registry. Reserve at least 100MB on quad and eight-way servers.

• You can also increase performance by correctly tuning the page file. For more information about the page file, see Microsoft Knowledge Base article 197379.

• Service Packs and Updates. For consistency and reduced troubleshooting, install the same service packs and hotfixes on all servers in the server farm. I would recommend installing hotfixes on one machine and leaving for a few days before you roll out to all your other machines.