Uptime
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Row 1 - Current system uptime

Column #
Displayed
2
String "UPTIME_CUR"
3
Current system uptime

      
Row 2 - Uptime statistics

Column #
Displayed
2
String "UPTIME_STA"
3
Uptime for last 7 days
4
Uptime percentage for last 7 days
5
Uptime for last 30 days
6
Uptime percentage for last 30 days
7
Uptime for last 90 days
8
Uptime percentage for last 90 days
9
Uptime for last 365 days
10
Uptime percentage for last 365 days


Row 3 - Total uptime

Column #
Displayed
2
String "UPTIME_TOT"
3
First available boot date in system log
4
Days since first available boot date
5
Uptime since first available boot date
6
Uptime percentage since first available boot date


Row 4 - Boot statistics (from first available boot date until now)

Column #
Displayed
2
String "UPTIME_BOO"
3
Number of system startups
4
Mean time between system startups
5
Number of clean shutdowns
6
Mean time between clean shutdowns
7
Number of abnormal shutdowns

In the event log reader: choose the system log and search for event 6008 to display the actual events.
8
Mean time between abnormal shutdowns
9
Number of blue screens (only if blue screen event logging is enabled)

In the event log reader :choose the system log and search for event 1001 to display the actual events.
10
Mean time between blue screens


Requirements

·NT4 SP4 or later.  
·The default NT administrative shares (c$, d$ etc.) must be present in order to obtain uptime from a machine.  

About

·All displayed information is calculated from data in the system event log. A minus character ("-") is displayed when there is not sufficient data in the log to calculate an entry.  
·The results should be considered estimates.  
·Downtime resulting from abnormal shutdowns will not be correctly calculated if TimeStampInterval is set to zero or to a very large number. Default value for TimeStampInterval is 5, check HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows\ CurrentVersion\ Reliability\ TimeStampInterval. Tip: use the Get.Registry.Value function in the auxiliary section to check TimeStampInterval for many machines at once.  
·Windows 2000 / XP - it is not possible to detect system hibernation, this time is considered as uptime.