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Recommended Registry Changes

These registry changes adjust the memory available for desktop heaps created by non-interactive services. This resolves start errors that may happen on some servers a few days after a reboot.

Windows 2008/2012/2016/2019/2022

Open the Registry (regedit.exe) and go to:

Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management

And adjust two keys:

SessionPoolSize (this is 4 by default, put it to be 10 - remember, 10 as hexadecimal)
SessionViewSize (this is 30 by default, put it to 80 - again, hexadecimal)

Go to:

Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\SubSystems

Double-click on the Windows key. What is important (and the only thing that gets changed for that matter) is


Close the registry and reboot the server for changes to take affect.