Couldn't read user-specified Computer Name - In Console

Am suddenly seeing the following in my Console:
Apr 14 17:18:53 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-00145163A837” instead
Apr 14 17:18:53 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-00145163A837.local” instead
Also Computer name has disappeared from Screen Saver and just getting black monitor with Silver Apple. Have tried restarting a couple of times and repairing permissions also re installed 10.4.11 Combo with no luck.
Any thoughts appreciated....
TIA

Great news, good work!

Similar Messages

Console logs: Couldn't read user-specified computer name

Last night I was experiencing frozen apps, was unable to open web pages and could not open the Apple menu to Restart computer. Somehow I eventually managed to Restart and everything seemed OK.
When I checked in Console logs tonight, I saw this message:
Couldn't read user-specified Computer name; using default using default "Macintosh 00145112d484. local instead"
I found BDAqua"s reply to a similar problem dated 4/14/08 - "Try editing it in both places in Sharing Pref pane." However, I could not find what I exactly had to edit!
I would greatly appreciate some help. Thanks.

Hi there,
However, I could not find what I exactly had to edit!
In System Preferences>Sharing Pref pane...
Then click on the edit button to verify, it'll have the .local after it here.

Couldn't read user-specified Computer Name serious?

Hallo, and hope this email finds you in good health, please could someone clarify whether or not this is anything to worry about. It has been going on for 6 weeks now and I get about 50 to a 70 a day:
Dec 12 01:21:15 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-000000000000” instead
Dec 12 01:21:15 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-000000000000.local” instead
Dec 12 01:31:15 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-000000000000” instead
Dec 12 01:31:15 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-000000000000.local” instead
Dec 12 01:31:17 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-0017F2D20187” instead
Dec 12 01:31:17 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-0017F2D20187.local” instead
Dec 12 01:31:20 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-0017F2D20187” instead
Dec 12 01:31:20 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-0017F2D20187.local” instead
Any problem here?
Thankyou.

Hi
Not really. Although it may be an indication of a confused/corrupted property list. Probably one of the plists in /Library/Preferences/SystemConfiguration. If it bothers you re-assign the mac the Computer Name you think it should have? This is done from the Sharing Preferences Pane. Alternatively you could use the command line. Something like:
sudo scutil --set ComputerName thenameyouwant
There must be a password set for the local admin account for sudo to work. You won't see the password being typed.
Alternatively and assuming this is a single mac that's not part of an LDAP environment or has no Location settings or has nothing special in terms of network configurations, you could move all of the property lists in /Library/Preferences/SystemConfiguration to an untitled folder you create on your Desktop and restart afterwards. On successful login apply a desired Computer Name using the Sharing Preferences Pane.
Tony

22591 The specified computer name (%ComputerName;) is already in use by another virtual machine or by a virtual machine configuration object. Ensure that the computer name is unique in the VMM environment, and then try again.

Hello everyone,
I recently bummed into an error message when I want to deploy a service template.
Setup:
1 HyperV server on win2k12 r2
1 SCCM VMM 2k12r2 on the hyperv server
1 template with all the objects in the library
Error:
When I deploy the the service template I get the below error message.
22591
The specified computer name (%ComputerName;) is already in use by another virtual machine or by a virtual machine configuration object.
Ensure that the computer name is unique in the VMM environment, and then try again.
The issue is that I can't find it anywhere, not on my domain controller not on my dns server as a record and also not as a vm in sccm or in powershell when doing get-vm. So where do I need to remove it ( no it is not an option to create a new Hostname for
this service template ).
Andre

There could be a couple things happening.
One - you have a Service Template, it defines %Computername% as a variable. And you have deployed this Template once using 'foo' and you are deploying it again as 'foo' without deleting the previous instance.
Two - you hardcoded the computer name into the template.
Three - you are scaling out and you have hit the bug that the wizard does not increment the machinename if you have something like computername## where SCVMM should be incrementing the machine name.
Windows does not support identically named machines (you can't have two machines on the same network with the same computer name - they broadcast their name and the 'second' one shuts down its network stack). In support of this SCVMM also enforces
this rule.
And with any templates SCVMM is in charge of machine names at deployment.
Brian Ehlert
http://ITProctology.blogspot.com
Learn. Apply. Repeat.

HA-VMM cannot be installed : HAVMM name in db is differs from the user specified HAVMM name

I have a two node HA VMM cluster. This is working correctly and has been for while. I am now attempting to add an additional node to the cluster.
I joined the node to the cluster and then start the VMM install and follow the wizard till it gets to the Database Configuration Page. When I Click Next here nothing happens.
If I check the C:\ProgramData\VMMLogs\SetupWizard.log file I see the following error as the last item.
HA-VMM cannot be installed : HAVMM name in db is differs from the user specified HAVMM name
If I check the S
CVMMCDB01 I find the HAVMMName property with a value of SCVMMC01.domainname This is the same value that is returned when using powershell with Get-SCVMMServer
When I check the cluster configuration it is the same story. I connect to the cluster name scvmmc01.
Even if I look at Cluster Manager I can see the name is tied correctly.
Any ideas would be great as I am effectively now stuck and cannot install another node.

Greetings!
It happened because you renamed your VMM cluster after first node installation.
Juts update HAVMMName value in dbo.tbl_VMM_GlobalSetting. Start SQL Server Management Studio, connect to your VMM DB, and Edit table.

WinRM cannot complete the operation. Verify that the specified computer name is valid, that the computer is accessible over the network

The Exchange Management Shell fails to connect in Exchange 2013 environment, this is a DAG environment and previously it indicates another error message, which is in my another thread. We fixed that error by delete the retired proxy entry in the server registry,
after that the error is gone but changed to below one, anyway the EMS still fails to connect to all servers:
VERBOSE: Connecting to NSWVIP999WTMBX.air.abc.au.
New-PSSession : [NSWVIP999WTMBX.air.abc.au] Connecting to remote server NSWVIP999WTMBX.air.abc.au failed with the
following error message : WinRM cannot complete the operation. Verify that the specified computer name is valid, that
the computer is accessible over the network, and that a firewall exception for the WinRM service is enabled and allows
access from this computer. By default, the WinRM firewall exception for public profiles limits access to remote
computers within the same local subnet. For more information, see the about_Remote_Troubleshooting Help topic.
At line:1 char:1
+ New-PSSession -ConnectionURI "$connectionUri" -ConfigurationName Microsoft.Excha ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : OpenError: (System.Manageme....RemoteRunspace:RemoteRunspace) [New-PSSession], PSRemotin
   gTransportException
    + FullyQualifiedErrorId : WinRMOperationTimeout,PSSessionOpenFailed
Failed to connect to an Exchange server in the current site.
Enter the server FQDN where you want to connect.:
Then it just show can't connect to all the exchange servers, from the wording it seems pointing to the Windows firewall settings for winRM, but when I look at the windows firewall found it's turned off. We use Sophos enterprise for the security, but all
other 3 exchange servers didn't have the same issue.

Hi Lynn,
Thanks for your analyst and reply, I run the command as you suggested and checked accordingly to Task Manager, but seems none of them indicates a firewall or anti-virus.
  TCP    0.0.0.0:80             0.0.0.0:0              LISTENING       4
TCP    0.0.0.0:808            0.0.0.0:0              LISTENING       2260
TCP    172.17.2.123:444       172.16.2.127:8050      ESTABLISHED     4
TCP    172.17.2.123:444       172.16.2.127:8069      ESTABLISHED     4
TCP    172.17.2.123:444       172.17.2.127:8053      ESTABLISHED     4
TCP    172.17.2.123:10952     172.16.2.68:80         ESTABLISHED     3296
TCP    172.17.2.123:11185     172.16.2.90:8080       SYN_SENT        468
TCP    172.17.2.123:11190     172.16.2.90:8080       SYN_SENT        15268
TCP    172.17.2.123:11330     172.16.2.90:8080       SYN_SENT        1296
TCP    [::]:80                [::]:0                 LISTENING
4
TCP    [::]:808               [::]:0                 LISTENING
2260
TCP    [::1]:6001             [::1]:8028             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8029             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8030             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8031             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8032             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8033             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8034             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8035             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8036             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8037             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8040             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8041             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8048             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8049             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8059             ESTABLISHED     4764
TCP    [::1]:6001             [::1]:8060             ESTABLISHED     4764
TCP    [::1]:8028             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8029             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8030             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8031             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8032             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8033             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8034             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8035             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8036             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8037             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8040             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8041             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8048             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8049             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8059             [::1]:6001             ESTABLISHED     9980
TCP    [::1]:8060             [::1]:6001             ESTABLISHED     9980
TCP    [fe80::9054:e8f5:f885:8105%20]:808 [fe80::9054:e8f5:f885:8105%20]:9901
ESTABLISHED     2260
TCP    [fe80::9054:e8f5:f885:8105%20]:9901 [fe80::9054:e8f5:f885:8105%20]:808
ESTABLISHED     4868
This is the full result, among them
4 -- System -- NT Kernel & System
468 -- There is no process associated with PID 468
1296 -- svchost.exe -- Host Process for Windows Service
2260 -- SMSvcHost.exe -- SMSvcHost.exe
3296 -- CcmExec.exe -- CCM Executive
4764 -- Microsoft.Exchange.RpcClientAccess.Service.exe -- Microsoft.Exchange.RpcClientAccess.Service.exe
4868 -- Microsoft.Exchange.ServiceHost.exe -- Microsoft.Exchange.ServiceHost.exe
9980 -- w3wp.exe -- IIS Worker Process
15268 -- ServerManager.exe -- Server Manager

User id & computer name

hi all,
posting the any document in sap, show the user id & which computer name (system),
plz the solve the my problem and what is the proces of above.

You can use an Applet to do this but you'll need to sign the applet and the user will need to have jre1.3 or greater installed (see Java Plugin).

Changing 'main' user and computer name

Hi everybody!
I got an older iBook from my sis. I'm trying to remove her stuff and clean it up a bit for my use. Is there a way to change the main user account so the computer isn't in her name anymore? I tried creating a new admin account, but I can't delete the first account. Also I can't change the computer name on the main log in screen. Any suggestions?
I was thinking about bringing it in to a store. I'm sure they can do it quick fast in a hurry.
cheers.

Hi, and welcome to Apple Discussions.
Matt Clifton has given his suggestions here:
http://discussions.apple.com/thread.jspa?threadID=1076960
You need to log out and log back in with the new account in order to delete the old one.
(It really isn't necessary to delete the other account unless you need the hard drive space. You can simply choose to have it automatically log in to your account and not the old one.)
To change the computer's name go to System Preferences > Sharing and change the computer's name there.

Export:- User specified file name

Hi,
On clicking Export button in BIP, the filename is same as BIP Report heading in file Open Dialog box, is there any way to give filename same as selected value from Dashboard Prompt. So when someone click Export, by default it should take the same file name as selected in Dropdown value.
-Amit

give this at title
@{presentation_variable}
and uncheck 'Display Saved Name'
this gives you the title name as the user selected prompt value..
Regards,
Raghu

Computer name and local hostname not recognized at startup

I've been having trouble syncing with .mac lately. (This isn't syncing question.) Looking at my console and system logs, it would appear that my computer and network connection have a problem right from the start (except that I can connect to the Internet and can send and receive mail no problem). But I think the logs below indicate that there's some disconnect because later on, when I try to sync or do something with iDisk, "Failed to register NSConnection" and SFIDiskMirrorCopyPair returned NULL" appear in the console log. Here's some of what the logs showed. I was wondering if anyone out there can make heads or tails out of it. Wondering if I'll have to blow it up and do an archive and install.
Any help will be much appreciated.
Thanks, Bill
From my system log:
Feb 5 10:01:20 localhost SystemStarter[337]: authentication service (351) did not complete successfully
later it states ....
Feb 5 10:02:04 localhost loginwindow[116]: Login Window Started Security Agent
Feb 5 10:02:07 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-123A95Dxxxxxx” instead
Feb 5 10:02:07 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-123A95Dxxxxxx.local” instead
Feb 5 10:02:08 localhost mDNSResponder: Adding browse domain local.
Feb 5 10:02:51 localhost configd[74]: SecKeychainFindGenericPassword err= -25308 ( =0xffff8624, secErrStr=User interaction is not allowed. ) (current= JohnDoe)
Feb 5 10:02:53 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-123A95Dxxxxxx” instead
Feb 5 10:02:53 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-123A95Dxxxxxx.local” instead
Feb 5 10:02:54 localhost launchd: Server 0 in bootstrap 1013 uid 0: "/usr/sbin/lookupd"[86]: exited abnormally: Hangup
Feb 5 10:02:54 localhost configd[74]: executing /System/Library/SystemConfiguration/Kicker.bundle/Contents/Resources/enable-net work
Feb 5 10:02:54 localhost configd[74]: posting notification com.apple.system.config.network_change
Feb 5 10:02:54 localhost lookupd[216]: lookupd (version 369.5) starting - Mon Feb 5 10:02:54 2007
Feb 5 10:02:56 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-123A95Dxxxxxx” instead
Feb 5 10:02:56 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-123A95Dxxxxxx.local” instead
Feb 5 10:02:56 localhost configd[74]: target=enable-network: disabled

Thank you for helping me. My computer is very old and it gets a lot of non-taxing use, like email and word processing. I'm trying to get another year out of it before I replace it. I first had to reset the PRAM because I had full-on freeze a couple of months ago. I couldn't get the computer to respond at all. Apple Support helped. They had me reset the PRAM, but the reason I've been resetting it now and again is that it seemed to fix a problem I was having with audio. When I am using Skype, Facetime or Gchat there was a crackling sound so loud, I'd have to hang up. Resetting the PRAM seemed to take care of this. I read around a little on the Internet. There was some suggestion that maybe my logic board is failing, at which point I would really have to replace my computer. But I was hoping for some pointers about this keyboard. I spent a couple of days reading and didn't find anyone having quite my problem. I guess it wouldn't really be such a problem if I didn't have this audio problem as well.

MDNSResponder can't recognize Computer Name or local hostname?

When looking in Console Logs recently, I noticed log messages saying the mDNSResponder could not read user-specified Computer name or host name and using default names etc. Example: "Aug 18 13:46:23 dialup-4 mDNSResponder: Couldn't read User-specified Computer Name; using default "Macintosh-000000000000" instead" I am using dialup internet service with the internal modem. These messages are created when I log on and off the internet. Are these messages normal or is my computer missing some data? I am having no problems getting on and off the internet, I just don't understand the logs. Thanks for any help.

Try editing it in both places in Sharing Pref Pane.
Careful what characters you you also.
http://discussions.apple.com/thread.jspa?threadID=1485536&tstart=0

Computer name being show as "localhost" when trying to bind to directory

I am trying to bind my computer (OS 10.4.11) to my server (10.4.11) but each time I go to bind it the computer name is shown as "localhost" rather than the computer's real name. The computer's name is shown as r2.local in the Sharing pane of System Prefs, also confirmed by the output of hostname. I am also getting this in my system log during bootup:
May 5 12:33:52 localhost usbmuxd[66]: usbmuxd-176 built for iTunesNineDot on Sep 24 2009 at 16:11:04, running 32 bit
*May 5 12:33:53 localhost mDNSResponder: Couldn't read user-specified Computer Name; using default “Macintosh-000000000000” instead*
*May 5 12:33:53 localhost mDNSResponder: Couldn't read user-specified local hostname; using default “Macintosh-000000000000.local” instead*
May 5 12:33:54 localhost kernel[0]: BCM5701Enet: Ethernet address 00:14:51:64:5e:36
May 5 12:33:54 localhost kernel[0]: BCM5701Enet: Ethernet address 00:14:51:64:5e:37
May 5 12:33:54 localhost mDNSResponder: Adding browse domain local.
May 5 12:33:56 localhost kernel[0]: NVDA,Display-A: vram [90020000:10000000]
May 5 12:33:56 localhost kernel[0]: NVDA,Display-B: vram [00000000:01000000]
May 5 12:34:00 localhost launchd: com.logmein.logmeinserver: exited abnormally: Bus error
May 5 12:34:00 localhost launchd: com.logmein.logmeinserver: 9 more failures without living at least 60 seconds will cause job removal
May 5 12:34:00 localhost launchd: com.logmein.logmeinserver: exited abnormally: Bus error
May 5 12:34:00 localhost launchd: com.logmein.logmeinserver: respawning too quickly! throttling
May 5 12:34:00 localhost launchd: com.logmein.logmeinserver: 8 more failures without living at least 60 seconds will cause job removal
May 5 12:34:00 localhost launchd: com.logmein.logmeinserver: will restart in 10 seconds
May 5 12:34:03 localhost lookupd[97]: lookupd (version 369.8) starting - Wed May 5 12:34:03 2010
May 5 12:34:05 localhost /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow: Login Window Application Started
*May 5 12:34:05 r2 configd[68]: setting hostname to "r2.local"*
May 5 12:34:07 r2 loginwindow[99]: Login Window Started Security Agent
May 5 12:34:08 r2 kernel[0]: AppleBCM5701Ethernet - en0 link active, 1000-Mbit, full duplex, flow control disabled
May 5 12:34:08 r2 configd[68]: AppleTalk startup
May 5 12:34:10 r2 configd[68]: executing /System/Library/SystemConfiguration/Kicker.bundle/Contents/Resources/enable-net work
May 5 12:34:10 r2 configd[68]: posting notification com.apple.system.config.network_change
May 5 12:34:10 r2 lookupd[110]: lookupd (version 369.8) starting - Wed May 5 12:34:10 2010
May 5 12:34:15 r2 configd[68]: target=enable-network: disabled
*May 5 12:34:16 r2 mDNSResponder: HostnameCallback: Error -65557 for registration of r2. IP 192.168.1.122*
May 5 12:34:16 r2 configd[68]: AppleTalk startup complete
Thoughts?

I think Directory Utility is in 10.5+, it's called Directory Access in previous versions (at least in 10.4). I have an OD running on the Mac server that I am trying to bind to, the AD/windows server is just for the PCs.
I did find this though about the mDNSresponder error I'm getting:
(from http://lists.apple.com/archives/bonjour-dev/2005/Aug/msg00020.html)
-65557 means NAT Traversal error. You need to be using a router that
supports NAT-PMP or UPnP if you want to register your hostname
successfully using DNS Update.
I enabled UPnP on my router/firewall but it did not help.

Computer name changed secretly

I found that sometimes the computer name had been changed ...
For example, from ABC to ABC (1). And if ABC (1) exists then the name changed to ABC (2).
I don't know when it had been changed and it sometimes give me trouble. When time machine is used a new folder with new computer name will be created.
How to fix the computer name?

Here I also have an iMac that since installing Snow Leopard, approx. once a week, changes it's name to add a (2) at the end.
There is definitely no machine on the network that has the same name - but I can see that the mdnsresponder thinks so - and the duplicate appears to be my Time Capsule.
My suspicion is that this might be caused by the Bonjour Sleep Proxy functionality introduced with Snow Leopard, since for that, the iMac delegates it's identity to the Time Capsule to handle incoming requests while it's sleeping.
Here's what I saw in the console log:
15.10.09 15:33:56 mDNSResponder[17] mDNSCoreReceiveResponse: Received from FE80:0000:0000:0000:021C:42FF:FE00:0008:5353 1 Peter's\032iMac.net-assistant.udp.local. TXT
15.10.09 15:33:56 mDNSResponder[17] mDNSCoreReceiveResponse: Reseting to Probing: 25 Peter's\032iMac.net-assistant.udp.local. SRV 0 0 3283 Peters-iMac.local.
15.10.09 15:33:57 mDNSResponder[17] mDNSCoreReceiveResponse: Received from 192.168.1.162:5353 1 Peter's\032iMac.net-assistant.udp.local. TXT
15.10.09 15:33:57 mDNSResponder[17] mDNSCoreReceiveResponse: ProbeCount 2; will rename 25 Peter's\032iMac.net-assistant.udp.local. SRV 0 0 3283 Peters-iMac.local.
15.10.09 15:33:57 mDNSResponder[17] User updated Computer Name from “Peter's iMac” to “Peter's iMac (2)”
(whereas 192.168.1.162 is the IP of the Time Capsule)

How do I checkin/unlock files that I checked out under a different computer name?

My hard drive went bad. My IT department migrated me from windows 7 to windows 8 and also to a different user and computer name in a new domain. Now I cannot unlock files that were checked out on the old drive under the old domain user & computer.
I tried running Visual Studio 2013 under the old user name (using Run as other user), but appears that the files are inaccessibly locked on the old and no longer existing computer name.
John Mikesell

Hi John,
Based on your description, your TFS and current client machine in different domains.
In this situation, you can contact your TFS administrator to make two-way trust between the two domains, then add the current user account as a team member of your team project. After that, you can ask team project collection Administrators to
unlock the file that your locked. Or ask the administrators to add your account to the group of "Project Collection Administrators". Then you can unlock the source files by yourseft after a workspace mapping on client machine. Check this
page for more information about lock and unlock files or folders.
Best regards,
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
HERE to participate the survey.

PS Script to prompt for a computer name to obtain up time information

Good morning everyone and please excuse the interruption.
I found this particular script online that when executed can tell me the uptime of a computer (from the looks of it, it only works on the computer it is run on)
Is there a way to modify the script so it can do the following:
prompt me to enter a computer name
display the uptime of said computer entered
This script says I would need to insert a line with all the computer names i want it to look for, which to me, is too much info.
# Get-Uptime.ps1
# This script will report uptime of given computer since last reboot.
# Pre-Requisites: Requires PowerShell 2.0 and WMI access to target computers (admin access).
# Usage syntax:
# For local computer where script is being run: .\Get-Uptime.ps1.
# For list of remote computers: .\Get-Uptime.ps1 -ComputerList "c:\temp\computerlist.txt"
# Usage Examples:
# .\Get-Uptime.ps1 -Computer ComputerName
# .\Get-Uptime.ps1 -ComputerList "c:\temp\computerlist.txt" | Export-Csv uptime-report.csv -NoTypeInformation
# Last Modified: 3/20/2012
# Created by
# Bhargav Shukla
# http://blogs.technet.com/bshukla
# http://www.bhargavs.com
# DISCLAIMER
# ==========
# THIS CODE IS MADE AVAILABLE AS IS, WITHOUT WARRANTY OF ANY KIND. THE ENTIRE
# RISK OF THE USE OR THE RESULTS FROM THE USE OF THIS CODE REMAINS WITH THE USER.
#Requires -Version 2.0
param
[Parameter(Position=0,ValuefromPipeline=$true)][string][alias("cn")]$computer,
[Parameter(Position=1,ValuefromPipeline=$false)][string]$computerlist
If (-not ($computer -or $computerlist))
$computers = $Env:COMPUTERNAME
If ($computer)
$computers = $computer
If ($computerlist)
$computers = Get-Content $computerlist
foreach ($computer in $computers)
$Computerobj = "" | select ComputerName, Uptime, LastReboot
$wmi = Get-WmiObject -ComputerName $computer -Query "SELECT LastBootUpTime FROM Win32_OperatingSystem"
$now = Get-Date
$boottime = $wmi.ConvertToDateTime($wmi.LastBootUpTime)
$uptime = $now - $boottime
$d =$uptime.days
$h =$uptime.hours
$m =$uptime.Minutes
$s = $uptime.Seconds
$Computerobj.ComputerName = $computer
$Computerobj.Uptime = "$d Days $h Hours $m Min $s Sec"
$Computerobj.LastReboot = $boottime
$Computerobj

i think i understand so instead of the parameter where its reading from a computer list i should remove that and use the calculated properties as a param?
No, the calculated property is only for output. Here's a quick example:
$computerList = Read-Host 'Enter computer name'
foreach ($computer in $computerList) {
Get-WmiObject Win32_OperatingSystem -ComputerName $computer |
Select @{N='ComputerName';E={$computer}},
@{N='LastBootupTime';E={[System.Management.ManagementDateTimeConverter]::ToDateTime($_.LastBootUpTime)}},
@{N='Uptime';E={(Get-Date) - ([System.Management.ManagementDateTimeConverter]::ToDateTime($_.LastBootUpTime))}}
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Couldn't read user-specified Computer Name - In Console

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