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TimeData requirements

In addition to the repository server requirements, the following requirements apply to the TimeData continuous data protection feature.

Operating system—If your repository server is running a Windows 2003 operating system, you must have Service Pack 2 installed on the server.
File system—NTFS is the only supported file system. Do no use FATx file systems on the repository server.
System memory—The minimum system memory requirements for the repository server are higher with TimeData continuous data protection.

i386 operating systems—The minimum system memory is 512 MB. The recommended system memory is at least 2 GB.
x64 operating systems—The minimum system memory is 512 MB. The recommended system memory is at least 4 GB.

Disk space for program files—This is the amount of disk space, approximately 1.5 GB, needed on the repository server to hold the TimeData program files.
Disk space for TimeData historical data—There is a 2 TB limit of protected data per TimeData storage bin. Since the storage bin can store approximately two to two and a half times the amount of data being protected for each source, you can maintain approximately 4 to 5 TB of historical point-in-time data. You may need to adjust your TimeData configuration based on the applications and data on your source, the number of days of historical data you want to store, and the change rate of your data.
Microsoft Installer—Microsoft Installer version 4.5 or later is required.
Microsoft Internet Information Services—Microsoft IIS version 5.0 or later is required on the repository server. This must be installed prior to installing TimeData.
Microsoft ASP.NET—The version of Microsoft ASP.NET included with your Windows operating system is required on the repository server. This must be installed prior to installing TimeData.
Microsoft SQL Server—TimeData will automatically install Microsoft SQL Server Express or Standard, depending on your Double-Take RecoverNow media (CD or web download).
Drive configuration—For best results using TimeData continuous data protection, you should separate the operating system, SQL Server, the TimeData drive, Event log, and Event cache on different drives.