After 15 minutes the server closes the connection and records a logout event in its security log. Eventually the user closes all files on the server and has no other activity over the SMB session. (This records a logon event on the file server security log.) The user closes the first file and then accesses a few others. For instance, a user opens a Word document in a shared folder on a file server which causes his workstation to establish a network logon to the server. file sharing) servers suspend idle connections after a default of 15 minutes. Microsoft network server: Amount of idle time required before suspending sessionīy default Windows SMB (e.g. ![]() Modern standby has the intelligence to manage hibernate internally and setting a separate hibernate timeout can result in a loss of some features.WinSecWiki > Security Settings > Local Policies > Security Options > Microsoft Network Server > Amount of idle time required before suspending session This time-out is not recommended for modern standby systems. When this timer expires, the system wakes from ACPI Sleep (S3) and immediately enters ACPI Hibernate (S4) to save power. Then the system steps through the preparation phases described in Prepare software for modern sleep. When this time-out occurs, the system enters modern standby and the display is immediately powered down. All applications stop execution because all processors will be powered off. When this time-out occurs, the system immediately enters the ACPI Sleep (S3) state. There is a 5-second grace period between when the display turns off and when the screen off notification is fired. However, the system continues to run and all applications continue to operate normally as if the display was powered on. When this time-out occurs, the display immediately turns off. In Windows 10, the display is automatically dimmed 10 seconds before it is turned off. This time-out is no longer supported starting with Windows 8.1. ![]() This time-out is no longer supported starting with Windows 8.1. The following table summarizes the differences between a modern standby PC and a traditional sleep PC. Instead users would expect the system to stay turned on and connected but operate in a low-power mode. A modern standby PC is similar to a smartphone- few users would tolerate their smartphone periodically turning off and entering hibernation. That's because modern standby is a consistently low-power state with long battery life. ![]() ![]() Instead, Windows manages Hibernate intelligently, only using it when required to preserve user's battery life. Although Modern Standby systems support Hibernate (S4) state, it is not entered automatically after a fixed amount of time in sleep. Hibernate is used to reduce battery drain during sleep by saving all information in memory to the disk and powering off the system completely. Mobile systems also support the ACPI Hibernate (S4) state. If a user sets the two timeouts to be the same on a modern standby PC, the power model is similar to that used by most smartphones: when the screen is off, the system is always in a low-power mode and always connected to the Internet. The reason for providing two separate time-outs is to allow the system to stay turned on and fully running, but save power by turning off the display. Traditional sleep (S3) and Modern Standby systems implement both a display idle time-out and a sleep idle time-out.
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