saber cuanto lleva encendido

EVEREST

lo mas rapido es mirar la conexion de red, pero ahi está incluído el tiempo que el pc ha estado suspendido/hibernando, así que quizá no te vale.

en Linux hay "uptime"

Copia y pega lo siguiente(script) en el bloc de notas y lo guardas como: tiempo.vbs

Luego lo ejecutas y te informará de los segundos y luego de los dias-horas-minutos-segundos que lleva encendido el ordenador.

' 23/04/2006

Computer = "."

On Error Resume Next
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" & Computer _
& "\root\cimv2")

If Err.Number = 0 Then
On Error Goto 0
strQuery = "select * from Win32_PerfRawData_PerfOS_System"
Set colObjects = objWMIService.ExecQuery(strQuery)

For Each objWmiObject In colObjects
intPerfTimeStamp = objWmiObject.Timestamp_Object
intPerfTimeFreq = objWmiObject.Frequency_Object
intCounter = objWmiObject.SystemUpTime
Next

' Cálculos en segundos
iUptimeInSec = (intPerfTimeStamp - intCounter)/intPerfTimeFreq
WScript.Echo "Tiempo de encendido: " & iUptimeInSec \ 1 & " segundos"

' Convierte los segundos
sUptime = ConvertTime(iUptimeInSec)
WScript.Echo "Tiempo de encendido: " & sUptime

Else
Wscript.Echo "No se puede conectar a este ordenador con WMI: " _
& Computer
End If

Function ConvertTime(seconds)
ConvSec = seconds Mod 60
ConvMin = (seconds Mod 3600) \ 60
ConvHour = (seconds Mod (3600 * 24)) \ 3600
ConvDays = seconds \ (3600 * 24)
ConvertTime = ConvDays & " días " & ConvHour & " horas " _
& ConvMin & " minutos " & ConvSec & " segundos "
End Function

Slds. :-)

microsoft tiene un pequeño programita que informa del tiempo que lleva un equipo encendido. bajalo de support.microsoft.com/en-us/help/232243

si lo ejecutas como uptime /? veras los comandos disponibles

ejemplo: con uptime /s serv1 (un servidor mio)

C:\>uptime /s serv1
Uptime Report for: \\serv1

Current OS: Microsoft Windows Server 2003, Service Pack 1, Uniprocessor Free.
Time Zone: Hora de verano romance

System Events as of 09/08/2007 3:40:58:

Date: Time: Event: Comment:
---------- ----------- ------------------- -----------------------------------

26/07/2006 2:45:40 Shutdown
26/07/2006 2:47:04 Boot Prior downtime:0d 0h:1m:24s
26/07/2006 17:21:16 Shutdown Prior uptime:0d 14h:34m:12s
26/07/2006 20:25:33 Boot Prior downtime:0d 3h:4m:17s
03/08/2006 1:37:43 Abnormal Shutdown Prior uptime:7d 5h:12m:10s
03/08/2006 1:39:23 Boot Prior downtime:0d 0h:1m:40s
03/08/2006 1:37:43 Abnormal Shutdown
03/08/2006 1:43:45 Boot
03/08/2006 2:00:41 Shutdown Prior uptime:0d 0h:16m:56s
03/08/2006 2:03:58 Boot Prior downtime:0d 0h:3m:17s
10/08/2006 3:06:14 Shutdown Prior uptime:7d 1h:2m:16s
10/08/2006 3:08:42 Boot Prior downtime:0d 0h:2m:28s
13/08/2006 16:37:06 Shutdown Prior uptime:3d 13h:28m:24s
13/08/2006 16:38:38 Boot Prior downtime:0d 0h:1m:32s
14/09/2006 3:11:30 Shutdown Prior uptime:31d 10h:32m:52s
14/09/2006 3:15:04 Boot Prior downtime:0d 0h:3m:34s
15/09/2006 10:33:22 Shutdown Prior uptime:1d 7h:18m:18s
15/09/2006 10:35:16 Boot Prior downtime:0d 0h:1m:54s
22/09/2006 17:50:59 Shutdown Prior uptime:7d 7h:15m:43s
22/09/2006 18:13:39 Boot Prior downtime:0d 0h:22m:40s
22/09/2006 23:49:07 Shutdown Prior uptime:0d 5h:35m:28s
22/09/2006 23:51:24 Boot Prior downtime:0d 0h:2m:17s
23/09/2006 2:57:48 Shutdown Prior uptime:0d 3h:6m:24s
23/09/2006 3:00:25 Boot Prior downtime:0d 0h:2m:37s
23/09/2006 3:05:58 Shutdown Prior uptime:0d 0h:5m:33s
23/09/2006 3:07:16 Boot Prior downtime:0d 0h:1m:18s
23/09/2006 3:10:29 Shutdown Prior uptime:0d 0h:3m:13s
23/09/2006 3:13:50 Boot Prior downtime:0d 0h:3m:21s
25/09/2006 0:46:38 Shutdown Prior uptime:1d 21h:32m:48s
25/09/2006 1:22:10 Boot Prior downtime:0d 0h:35m:32s
25/09/2006 1:31:21 Shutdown Prior uptime:0d 0h:9m:11s
25/09/2006 1:37:30 Boot Prior downtime:0d 0h:6m:9s
25/09/2006 1:48:35 Shutdown Prior uptime:0d 0h:11m:5s
25/09/2006 1:54:34 Boot Prior downtime:0d 0h:5m:59s
25/09/2006 2:45:21 Shutdown Prior uptime:0d 0h:50m:47s
25/09/2006 2:48:43 Boot Prior downtime:0d 0h:3m:22s
25/09/2006 3:05:52 Shutdown Prior uptime:0d 0h:17m:9s
25/09/2006 3:14:05 Boot Prior downtime:0d 0h:8m:13s
13/10/2006 3:13:59 Shutdown Prior uptime:17d 23h:59m:54s
13/10/2006 3:15:37 Boot Prior downtime:0d 0h:1m:38s
22/10/2006 16:08:24 Shutdown Prior uptime:9d 12h:52m:47s
22/10/2006 16:09:41 Boot Prior downtime:0d 0h:1m:17s
29/10/2006 2:55:52 Shutdown Prior uptime:6d 11h:46m:11s
29/10/2006 2:57:13 Boot Prior downtime:0d 0h:1m:21s
31/10/2006 13:02:48 Shutdown Prior uptime:2d 10h:5m:35s
31/10/2006 13:04:12 Boot Prior downtime:0d 0h:1m:24s
15/11/2006 3:08:29 Shutdown Prior uptime:14d 14h:4m:17s
15/11/2006 3:09:59 Boot Prior downtime:0d 0h:1m:30s
24/11/2006 15:05:54 Abnormal Shutdown Prior uptime:9d 11h:55m:55s
24/11/2006 15:08:22 Boot Prior downtime:0d 0h:2m:28s
24/11/2006 16:15:24 Abnormal Shutdown Prior uptime:0d 1h:7m:2s
24/11/2006 16:18:09 Boot Prior downtime:0d 0h:2m:45s
28/11/2006 16:29:29 Shutdown Prior uptime:4d 0h:11m:20s
28/11/2006 16:52:21 Boot Prior downtime:0d 0h:22m:52s
28/11/2006 16:57:46 Shutdown Prior uptime:0d 0h:5m:25s
28/11/2006 17:06:58 Boot Prior downtime:0d 0h:9m:12s
02/12/2006 0:06:07 Shutdown Prior uptime:3d 6h:59m:9s
02/12/2006 0:16:54 Boot Prior downtime:0d 0h:10m:47s
02/12/2006 0:45:35 Shutdown Prior uptime:0d 0h:28m:41s
02/12/2006 0:48:42 Boot Prior downtime:0d 0h:3m:7s
02/12/2006 0:51:59 Shutdown Prior uptime:0d 0h:3m:17s
02/12/2006 1:26:30 Boot Prior downtime:0d 0h:34m:31s
02/12/2006 3:14:05 Shutdown Prior uptime:0d 1h:47m:35s
02/12/2006 3:17:05 Boot Prior downtime:0d 0h:3m:0s
09/12/2006 13:10:52 Shutdown Prior uptime:7d 9h:53m:47s
09/12/2006 13:14:52 Boot Prior downtime:0d 0h:4m:0s
09/12/2006 13:14:52 Abnormal Shutdown
09/12/2006 13:23:40 Boot Prior downtime:0d 0h:8m:48s
09/12/2006 13:33:07 Shutdown Prior uptime:0d 0h:9m:27s
09/12/2006 14:19:12 Boot Prior downtime:0d 0h:46m:5s
15/12/2006 3:07:24 Shutdown Prior uptime:5d 12h:48m:12s
15/12/2006 3:09:18 Boot Prior downtime:0d 0h:1m:54s
15/12/2006 9:18:14 Shutdown Prior uptime:0d 6h:8m:56s
15/12/2006 9:20:51 Boot Prior downtime:0d 0h:2m:37s
15/12/2006 9:24:08 Shutdown Prior uptime:0d 0h:3m:17s
15/12/2006 9:25:55 Boot Prior downtime:0d 0h:1m:47s
15/12/2006 9:31:47 Shutdown Prior uptime:0d 0h:5m:52s
15/12/2006 9:39:04 Boot Prior downtime:0d 0h:7m:17s
15/12/2006 10:56:38 Shutdown Prior uptime:0d 1h:17m:34s
15/12/2006 10:59:38 Boot Prior downtime:0d 0h:3m:0s
16/12/2006 3:32:17 Shutdown Prior uptime:0d 16h:32m:39s
16/12/2006 3:44:28 Boot Prior downtime:0d 0h:12m:11s
16/12/2006 3:47:23 Shutdown Prior uptime:0d 0h:2m:55s
16/12/2006 3:49:12 Boot Prior downtime:0d 0h:1m:49s
16/12/2006 4:14:53 Shutdown Prior uptime:0d 0h:25m:41s
16/12/2006 4:24:48 Boot Prior downtime:0d 0h:9m:55s
17/12/2006 12:52:20 Abnormal Shutdown Prior uptime:1d 8h:27m:32s
17/12/2006 12:54:41 Boot Prior downtime:0d 0h:2m:21s
17/12/2006 13:05:56 Shutdown Prior uptime:0d 0h:11m:15s
17/12/2006 13:08:33 Boot Prior downtime:0d 0h:2m:37s
23/12/2006 2:29:39 Shutdown Prior uptime:5d 13h:21m:6s
23/12/2006 2:33:47 Boot Prior downtime:0d 0h:4m:8s
11/02/2007 4:53:30 Shutdown Prior uptime:50d 2h:19m:43s
11/02/2007 4:54:58 Boot Prior downtime:0d 0h:1m:28s
18/02/2007 3:09:57 Shutdown Prior uptime:6d 22h:14m:59s
18/02/2007 3:12:30 Boot Prior downtime:0d 0h:2m:33s
29/03/2007 1:31:51 Shutdown Prior uptime:38d 21h:19m:21s
29/03/2007 1:33:38 Boot Prior downtime:0d 0h:1m:47s
01/04/2007 18:17:01 Shutdown Prior uptime:3d 16h:43m:23s
01/04/2007 22:00:13 Boot Prior downtime:0d 3h:43m:12s
01/04/2007 23:08:24 Shutdown Prior uptime:0d 1h:8m:11s
01/04/2007 23:09:44 Boot Prior downtime:0d 0h:1m:20s
01/04/2007 23:39:25 Shutdown Prior uptime:0d 0h:29m:41s
01/04/2007 23:40:52 Boot Prior downtime:0d 0h:1m:27s
02/04/2007 0:17:41 Shutdown Prior uptime:0d 0h:36m:49s
02/04/2007 0:19:48 Boot Prior downtime:0d 0h:2m:7s
02/04/2007 0:26:21 Shutdown Prior uptime:0d 0h:6m:33s
02/04/2007 0:43:37 Boot Prior downtime:0d 0h:17m:16s
02/04/2007 0:49:38 Shutdown Prior uptime:0d 0h:6m:1s
02/04/2007 1:41:54 Boot Prior downtime:0d 0h:52m:16s
02/04/2007 1:45:58 Shutdown Prior uptime:0d 0h:4m:4s
03/04/2007 15:19:17 Boot Prior downtime:1d 13h:33m:19s
03/04/2007 15:23:38 Shutdown Prior uptime:0d 0h:4m:21s
03/04/2007 15:28:03 Boot Prior downtime:0d 0h:4m:25s
05/04/2007 3:06:17 Shutdown Prior uptime:1d 11h:38m:14s
05/04/2007 3:08:17 Boot Prior downtime:0d 0h:2m:0s
11/04/2007 3:06:50 Shutdown Prior uptime:5d 23h:58m:33s
11/04/2007 3:09:13 Boot Prior downtime:0d 0h:2m:23s
13/04/2007 0:54:30 Shutdown Prior uptime:1d 21h:45m:17s
13/04/2007 0:55:50 Boot Prior downtime:0d 0h:1m:20s
09/05/2007 3:08:45 Shutdown Prior uptime:26d 2h:12m:55s
09/05/2007 3:10:09 Boot Prior downtime:0d 0h:1m:24s
18/05/2007 20:07:36 Shutdown Prior uptime:9d 16h:57m:27s
18/05/2007 20:08:54 Boot Prior downtime:0d 0h:1m:18s
23/05/2007 3:06:18 Shutdown Prior uptime:4d 6h:57m:24s
23/05/2007 3:07:40 Boot Prior downtime:0d 0h:1m:22s
06/06/2007 17:17:15 Shutdown Prior uptime:14d 14h:9m:35s
06/06/2007 17:29:57 Boot Prior downtime:0d 0h:12m:42s
06/06/2007 17:35:48 Shutdown Prior uptime:0d 0h:5m:51s
06/06/2007 17:37:59 Boot Prior downtime:0d 0h:2m:11s
06/06/2007 17:48:06 Shutdown Prior uptime:0d 0h:10m:7s
06/06/2007 18:43:53 Boot Prior downtime:0d 0h:55m:47s
06/06/2007 18:51:06 Shutdown Prior uptime:0d 0h:7m:13s
06/06/2007 19:21:38 Boot Prior downtime:0d 0h:30m:32s
06/06/2007 20:07:52 Shutdown Prior uptime:0d 0h:46m:14s
06/06/2007 20:37:36 Boot Prior downtime:0d 0h:29m:44s
06/06/2007 22:40:26 Shutdown Prior uptime:0d 2h:2m:50s
06/06/2007 22:54:17 Boot Prior downtime:0d 0h:13m:51s
06/06/2007 23:09:40 Shutdown Prior uptime:0d 0h:15m:23s
06/06/2007 23:11:48 Boot Prior downtime:0d 0h:2m:8s
06/06/2007 23:19:50 Shutdown Prior uptime:0d 0h:8m:2s
06/06/2007 23:21:45 Boot Prior downtime:0d 0h:1m:55s
06/06/2007 23:29:45 Abnormal Shutdown Prior uptime:0d 0h:8m:0s
06/06/2007 23:32:03 Boot Prior downtime:0d 0h:2m:18s
06/06/2007 23:46:56 Shutdown Prior uptime:0d 0h:14m:53s
07/06/2007 0:16:38 Boot Prior downtime:0d 0h:29m:42s
07/06/2007 0:20:35 Shutdown Prior uptime:0d 0h:3m:57s
07/06/2007 0:41:27 Boot Prior downtime:0d 0h:20m:52s
07/06/2007 0:45:03 Shutdown Prior uptime:0d 0h:3m:36s
07/06/2007 1:30:14 Boot Prior downtime:0d 0h:45m:11s
07/06/2007 1:37:00 Shutdown Prior uptime:0d 0h:6m:46s
07/06/2007 4:23:21 Boot Prior downtime:0d 2h:46m:21s
07/06/2007 4:27:13 Shutdown Prior uptime:0d 0h:3m:52s
07/06/2007 4:44:32 Boot Prior downtime:0d 0h:17m:19s
07/06/2007 15:04:24 Shutdown Prior uptime:0d 10h:19m:52s
07/06/2007 15:05:25 Boot Prior downtime:0d 0h:1m:1s
07/06/2007 17:14:06 Shutdown Prior uptime:0d 2h:8m:41s
07/06/2007 18:35:59 Boot Prior downtime:0d 1h:21m:53s
07/06/2007 19:08:58 Shutdown Prior uptime:0d 0h:32m:59s
07/06/2007 19:11:54 Boot Prior downtime:0d 0h:2m:56s
07/06/2007 19:20:24 Shutdown Prior uptime:0d 0h:8m:30s
07/06/2007 19:25:27 Boot Prior downtime:0d 0h:5m:3s
14/06/2007 3:07:35 Shutdown Prior uptime:6d 7h:42m:8s
14/06/2007 3:09:01 Boot Prior downtime:0d 0h:1m:26s
25/06/2007 9:15:13 Shutdown Prior uptime:11d 6h:6m:12s
25/06/2007 13:14:27 Boot Prior downtime:0d 3h:59m:14s
01/07/2007 2:23:09 Shutdown Prior uptime:5d 13h:8m:42s
01/07/2007 2:24:16 Boot Prior downtime:0d 0h:1m:7s
11/07/2007 3:09:57 Shutdown Prior uptime:10d 0h:45m:41s
11/07/2007 3:11:44 Boot Prior downtime:0d 0h:1m:47s
06/08/2007 19:26:55 Abnormal Shutdown Prior uptime:26d 16h:15m:11s
06/08/2007 19:28:51 Boot Prior downtime:0d 0h:1m:56s
07/08/2007 1:55:43 Shutdown Prior uptime:0d 6h:26m:52s
07/08/2007 1:56:46 Boot Prior downtime:0d 0h:1m:3s

Current System Uptime: 2 day(s), 1 hour(s), 44 minute(s), 36 second(s)

--------------------------------------------------------------------------------

Since 17/07/2006:

Total Reboots: 87
Mean Time Between Reboots: 4.45 days
Total Bluescreens: 0

--------------------------------------------------------------------------------

Since 03/08/2006:

System Availability: 99.3174%
Total Uptime: 368d 13h:9m:43s
Total Downtime: 2d 12h:47m:30s
Total Reboots: 84
Mean Time Between Reboots: 4.42 days
Total Bluescreens: 0

Notes:
03/08/2006 is the earliest date in the event log where
sufficient information is recorded to calculate availability.

Algo mas facil....

Inicio>Ejecutar>CMD>Systeminfo :-)

ivimail y donde pones server yo que tendria que poner?

¿y se pueden ver las veces que se ha reiniciado?