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mvBase Tech Tip: # mv110
Pertinent Release(s): Release 1.1
Pertinent Windows O/S: NT 4.0

Virtual Memory Space Reduced with Service Pack 3

When Service Pack 3 is added to a system running Windows NT 4.0, the virtual memory space available to mvBase is reduced. This is applicable only when the mvBase server is running as a service. This means that the maximum database size is reduced correspondingly.


NOTE: When running the mvBase server as an application, Service Pack 3 does not seem to have any effect.

Our recommended solution for this issue include implementing of one of these workarounds:

  • Upgrade to mvBase Release 1.2.

  • Run the mvBase 1.1 server as an application

  • Do not upgrade to Windows NT 4.0 Service Pack 3 unless it is absolutely required.

This is a moot point on Release 1.2, which allows a maximum allocation to virtual memory storage files of 32,768 MB (when mvBase is installed on a system running Windows NT). Refer to the mvBase 1.2 Installation Guide for more information regarding disk allocation for virtual memory storage files and differing allocation limits for Windows NT and Windows 95.

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