Computers local host name is already in use

I keep getting a message that states "This Computers local hostname [my i-mac name] is already in use on this network.
The name has been changed to [my i-mac name-2].
This happens a lot and I am now up to [my-imac name-88]
Do I have the settings wrong? Can anyone help me so that this doesnt continue.
I am not sure if someone is trying to gain access to my mac or not?
Thanks

Sometimes this message means that you have two simultaneous connections to the same local network: probably Ethernet and Wi-Fi. Disconnect the Ethernet cable or turn off Wi-Fi.
Sometimes it happens because a device that gets its network address from the router wakes from sleep, and the address it was using before has been assigned to another device.
Rename the computer in the Sharing preference pane.

Similar Messages

Microsoft Windows Network: The local device name is already in use.

I posted in : http://answers.microsoft.com/en-us/windows/forum/windows_7-networking/disconnected-network-drive-error-as-follows-an/9a877c38-5e86-4c34-84c2-427a965577c6?page=2
Error:
"An error occurred while reconnecting drive letter to \\network server\share folder.
Microsoft Windows Network: The local device name is already in use.
This connection has not been restored."
1) A workstation is running Windows 7
2) The user has a drive letter mapped to a UNC
3) The connection is interrupted at some point and then restored
4) Upon attempting to access the mapped network drive, the user gets the error about the letter being
already in use.
Extremely disappointed that some of the posts marked as answers were obviously not, shows how poor the moderators here are.
My latest results clearly point to a Windows 7 client problem:
I received the error.
Had run nslookup so had a prompt open.
ran dir z:    worked. went to Windows Explorer, same error.
ran dir z:\sharename    worked. went to Windows Explorer, same error.
copy con z: test.txt then type test.txt; could create and retrieve file. Went and clicked on mapped drive in Windows explorer and received same error.
Obviously(?) not a Server or Networking problem. Ran Malwarebytes from bootable CD (client doesn't believe in AV). Didn't happen with USB flash drive.
Any other ideas?
I already have tried:
support.microsoft.com/kb/317021
http://support.microsoft.com/kb/303339
ftp://ftp.microsoft.com/misc1/BUSSYS/WINNT/KB/Q194/8/29.TXT
http://support.microsoft.com/kb/273151 Exchange issue
http://support.microsoft.com/kb/2663418   hotfix for win7
http://social.technet.microsoft.com/Forums/en-US/w7itpronetworking/thread/78276f1d-f7f9-416b-b903-
b9a18ecba67b/
http://support.microsoft.com/kb/297684
Ran MicrosoftFixit50494.msi
net use z: \\SERVER\ShareFiles /persistent:yes
http://support.microsoft.com/kb/2663418
http://support.microsoft.com/kb/297684#LetMeFixItMyselfAlways
http://support.microsoft.com/gp/gp_fixit_windows/en-us
http://support.microsoft.com/mats/windows_battery_power_settings
http://support.microsoft.com/kb/979470/en-us ???
http://support.microsoft.com/kb/947235/en-us
http://msdn.microsoft.com/en-us/library/cc232765.aspx
http://support.microsoft.com/kb/942817
Q939820? server 2003 sp3 Fix226580 341940_ENU_i386_zip.exe
http://support.microsoft.com/kb/983620
http://support.microsoft.com/kb/297684
net config server /autodisconnect:-1
KB Article Number(s): 2663418 Hotfix
http://support.microsoft.com/kb/983620
http://answers.microsoft.com/en-us/feed/t/9a877c38-5e86-4c34-84c2-427a965577c6
http://answers.microsoft.com/en-us/feed/t/9a877c38-5e86-4c34-84c2-427a965577c6
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http://support.microsoft.com/kb/297684#LetMeFixItMyselfAlways
http://support.microsoft.com/gp/gp_fixit_windows/en-us
http://support.microsoft.com/mats/windows_battery_power_settings
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http://support.microsoft.com/kb/942817
netsh winsock reset catalog
netsh int ip reset reset.log
Q811259
Q299357
Q937624
secpol.msc >> Lanman authentication level "send LM and NTLM"
net config server /autodisconnect:-1
changed server video to "standard vga"
disabled power save for NIC
Cannot disable Intell Raid software
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Q138365
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two additional registry keys are added:
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announce: REG_DWORD: 0xf0
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netsh interface ipv4 reset
netsh interface ipv6 reset
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shutdown /r
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http://social.answers.microsoft.com/Forums/en-US/w7network/thread/306dd446-7630-4d5b-8aa0-
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http://answers.microsoft.com/en-us/windows/forum/windows_7-networking/i-have-this-problem-on-three-
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Leftover Homegroup components or Firewall?
disable DNS Client = dnscache
http://answers.microsoft.com/en-us/windows/forum/windows_7-networking/service-control-manager-reports-
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http://answers.microsoft.com/en-us/windows/forum/windows_7-networking/windows-7-no-dns-or-no-network
-after-resume-wake/c1253ab0-4793-449e-8975-a900ce7dec4f
NSLOOKUP
KB Article Number(s): 983620 Hotfix

This is usually because the drive letter assigned to the network share is taken by something else. Maybe, by a removable drive.
Moderators and other answerers do their best to help specific cases, but everyone has their own situation. Apply common sense to the replies you find in the forums.
When you typed dir z: - is Z: the drive letter you wanted for this share, or it was automatically assigned?
-- pa
Alternatively you could try using common sense when you post, as well as taking the time to read the entire issue post so that you can avoid showing both your ignorance and arrogance (arrogance without any competency to back it I might add).
Suggesting that it might be "another drive" that took over the mapping shows your lack of reading comprehension and is unhelpful.   Please take the time to, once again, read first.
Lastly moderators here generally show little technical skill beyond entering search words into a knowledge-base of articles and then applying the results incorrectly further exacerbating the situation for the customer.

An error occurred while reconnecting...The local device name is already in use. The connection has not been restored.

Hi,
So I have 2 PC's and I sign with the same credentials. I have a hard drive which I decided to share. In the setting I created permissions for the user credentials of both vcomputers and have full control access.
Basically, everytime I open my laptop after and it wakes up and try to connect to the network drive, I get the error
An error occurred while reconnecting...The local device name is already in use. The connection has not been restored.
I need to stay disconnecting all drives and reconnecting them. WHen I restart my PC the network drives restore perfectly. I don't understand why it doesnt work on wake.
Any ideas?

It seems that when a machine goes into sleep, the network connection is disconnected, naturally, but the machine still has the connection mapped. If you run the 'net use' you will see the connection. When you try to reconnect it, it sees the
connection and gives you the error.
I do not know if you can directly modify this behavior. However, as a work around, you could build a simple script like:
net use 'connection' /delete ( write it into a text file and save it has a .bat file.)
Use scheduled tasks to have the script run right before the machine goes into sleep. You can do so by setting the task to RUN ON Event: event 42 for the KERNEL_POWER source.
You can see http://superuser.com/questions/679195/run-a-script-when-hibernating-windows-8 for more info .

The local device name is already in use - Mapped Drive

I am having an issue with users losing their mapped drives to a Server 2012 box when they come into work the next day. The error message is "The local device name is already in use".
Autodisconnect has been disabled on both the server and workstations as per Microsoft KB articles, and the only way to correct the issue is a re-boot of the workstation.
I doubt it is the workstations that are the issue as drives mapped to Server 2008r2 do not experience this issue.
Any assistance would be greatly appreciated.

Hi,
>>I am having an issue with users losing their mapped drives to a Server 2012 box when they come into work the next day. The error message is "The local device name is already in use".
To tackle the issue, we can try to remove the existing network mapping, and then create a new network mapping for the share.
In addition, although the following KB applies to Window XP, it focuses on the similar issue and can be referred to as reference.
You may receive the "The local device name is already in use" error message when you try to restore a network mapping connection to a shared network folder on a Windows XP-based client
http://support.microsoft.com/kb/890413
Best regards,
Frank Shen
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

Keep getting error message about my computers local host name already in use

I keep getting the following random error message popping up on my desktop. The last time it said the same thing, but imac-2.local? Haven't changed anything to my knowledge.
This computer’s local hostname “glen-cumbuss-imac-2.local” is already in use on this network. The name has been changed to “XXXXX-XXXXXXX-imac-3.local”.

Sometimes this message means that you have two simultaneous connections to the same local network: probably Ethernet and Wi-Fi. Disconnect the Ethernet cable or turn off Wi-Fi.
If that's not the issue, shut down any virtual machines (Parallels, VMware, or VirtualBox) that are running.
Sometimes there's no identifiable reason for the behavior.
Rename the computer in the Sharing preference pane.

Local host name already in use

I routinely get a message saying "local host name is already in use on this network. The name has ben changed to...."

Is this a home network or a workplace network?
If you open up terminal.
Go to Applications> Utilities> Terminal and type in hostname
what comes up?

New Local host names

I am brand new to macs and still don't have a lot of it down yet, so this question may seem pretty simple.
When I turn on my mac, it has started telling me that my local-host-name is already being used and that I need to use a new one. For example:
XXXXXXXXX-2.local is already being used, please use XXXXXXXX-3.local etc.
That's not the exact wording but the basic idea of it. I think that it's affecting my ability to connect to my external harddrive through my router.
Thanks,
macbook Mac OS X (10.4.9)

My computer has a name unique to my network "John Smith's Computer" however this message appears below
Other computers on your local subnet can access your computer at john-smiths-computer-5.local
Is this alright? I would think that this isn't how it should operate. Is there a way that I can close/log-off of x-x-computer-5.local?

Local host name message pops up on start up

I've started getting message on start up saying "local host name is already in use, do you want to change"
this just began happening.
what does this mean and how can i fix it from poping up?
thanks

Hey R%%^Y,
Thanks for the question. It sounds like another computer on your network may have a similar local hostname. You can change your hostname in System Preferences > Sharing:
OS X Mavericks: Find your computer’s name and address
http://support.apple.com/kb/PH13790
Local hostname: Your computer’s local hostname, or local network name, is displayed on your local network so others on the network can connect to your Mac.
Your computer’s local network name is displayed beneath the computer’s name at the top of Sharing preferences.
The local network name is your computer’s name with “.local” added, and any spaces are replaced with hyphens (-). For example, if your computer’s name is My Computer, your local network name is “My-Computer.local.” Local network names are not case sensitive, so “my-computer.local” is the same as “My-Computer.local.”
Thanks,
Matt M.

System Center Virtual Machine Manager SC VMM 2012 SP1 Installation fails: Unable to assign the name NO_PARAM to this host because this name is already in use.

I'm trying to install VMM 2012 SP1 on a Windows Server 2012 machine and it fails with this error,
the scenario is as follows,
Old database (from 2012 RTM) exists on remote SQL 2012 SP1 server
Server was 2008 R2 SP1 so I decided to make a fresh installation of 2012 with the same name
installed ADK
specific error: 01:42:13:VMMPostinstallProcessor threw an exception: Threw Exception.Type: Microsoft.VirtualManager.Setup.Exceptions.BackEndErrorException, Exception.Message: Unable to assign the name NO_PARAM to this host because this name is already in
use.
please help

I had a similar problem today when upgrading from SCVMM 2012 RTM to SCVMM 2012 SP1 RTM. To re-create the issue you describe originally you can actually just uninstall SCVMM 2012 SP1 RTM with "retain data" option and re-install the software on the same
computer (with the same name of course), attaching it to the retained DB. If you change the SCVMM server name I believe it will make some things go wrong after your install, like missing VM template passwords for example as the data gets encrypted in
the DB. Maybe it didn't but I didn't risk it. I definitely know if you change service accounts on a scenario like this you will be without the encrypted DB data which isn't much fun. To avoid changing the computer name, if you look in the setup log
files in %systemdrive%\ProgramData\VMMLogs\, specifically the SetupWizard.log file. You will see details on it failing because the same computer name is in the DB table "dbo.tbl_ADHC_AgentServer" and until it is removed from that table I wasn't able to get
the install to complete at all. The error in my logs looked something like this "InnerException.Type: System.Data.SqlClient.SqlException, InnerException.Message: Violation of UNIQUE KEY constraint 'unique_ADHC_AgentServer_ComputerName'. Cannot insert duplicate
key in object 'dbo.tbl_ADHC_AgentServer'. The duplicate key value is (computername.is.writtenhere). The statement has been terminated." In the row data in the DB it also seems to suggest that the computer name had "Virtual Machine Manager Library Files" on
it which is strange since I always remove the local SCVMM server as a library server after I install it and use an off box library server.

DNS or Local Host Name Issue

I have an iMac, 10.6.2 that continues to get a duplicate IP address error. I have determined that this iMac is seeing itself as another machine on the network, hence the duplicate IP error. I have changed the local host name under system preferences -->network (and in sharing) to imac10.6.2-username However, on the WINS tab of system preferences-->network the computer name shows as imac 9B14C4. I have manually changed this on the WINS tab and but it doesn't actually change it. I have flushed DNS and used the scutil--gethostname command to no avail. Additionally, this iMac does not show up when browsing the network from any machine on the network. All other Macs here do. Any suggestions?
Message was edited by: EricWeiner
Actually I can browse to it through the network by either the DNS name or the WINS name, even though I tried to make them the same.

I use a Mac mini as a small AV server, and have exactly the same issue. Message keeps popping up at least once a day. Changing name in Preferences doesn't make any difference. After a few weeks it's gone from 'Centerstage' to 'Centerstage-8'. I even formatted the HD and installed Leopard and after that Snow Leopard. Didn't solve anything. Very irritating. Apple only recognizes this as a Mac OS X server issue.
Help.

I have a new ipod and when I sign in to Words with Friends it says that user name is already in use. How can I continue using the same user name with a different ipod?

I have a new ipod and added all my apps to it. When I sign in to Words with Friends it says that "user name is already in use" because it is linked to my old ipod. How can I use the same user name with my new ipod?

Was the iPod setup via iTunes on this computer?
Setup via wifi?
Was the iPod previous synced to another iTunes library/computer?
Have you successfully synced from this iTunes library/computer before?
Do the songs play in iTunes?
Do you have the right boxes checked to sync?
iTunes: Syncing media content to iOS devices and iPod
Try syncing using the manual method

The specified name is already in use,

Hi,
Am deploying SPD reusable workflow. Am getting below error.
The specified name is already in use. The document or folder name was not changed. To change the name to a different value, close this dialog and edit the properties of the document or folder.
I have deleted all the existing file/folder in SPD under All files
à workflow related to my workflow. After deploying deploying my workflow and activating the feature am getting same error message and all the folder are coming back to All files
à workflow .
Any idea on solution ?
Thanks,
Prashanth J

there are some OutBox list/libraries being created when you activate publishing features, make sure those names not being used: check this post for more detail..
http://social.technet.microsoft.com/Forums/sharepoint/en-US/f7e93d26-c2a1-42c2-b191-dc48f734684b/the-specified-name-is-already-in-use-error?forum=sharepointgenerallegacy
Please remember to mark your question as answered &Vote helpful,if this solves/helps your problem. ****************************************************************************************** Thanks -WS MCITP(SharePoint 2010, 2013) Blog: http://wscheema.com/blog

The Specified name is already in use while activating Publishing feature at site collection level in Moss2007

Hi,
Please suggest on this "The Specified name is already in use while activating Publishing feature at site collection level in Moss2007"
The specified name is already in use.
A list, survey, discussion board, or document library cannot have the same name as another list, survey, discussion board, or document library in this Web site. Use your browser's Back button, and type a new name. at Microsoft.SharePoint.Library.SPRequestInternalClass.CreateList(String
bstrWebUrl, String bstrTitle, String bstrDescription, String bstrListUrl, String bstrFeatureId, Int32 lTemplateID, String bstrDocTemplateType, ListQuickLaunchOptions qlOpt)
at Microsoft.SharePoint.Library.SPRequest.CreateList(String bstrWebUrl, String bstrTitle, String bstrDescription, String bstrListUrl, String bstrFeatureId, Int32 lTemplateID, String bstrDocTemplateType, ListQuickLaunchOptions qlOpt)

there are some OutBox list/libraries being created when you activate publishing features, make sure those names not being used: check this post for more detail..
http://social.technet.microsoft.com/Forums/sharepoint/en-US/f7e93d26-c2a1-42c2-b191-dc48f734684b/the-specified-name-is-already-in-use-error?forum=sharepointgenerallegacy
Please remember to mark your question as answered &Vote helpful,if this solves/helps your problem. ****************************************************************************************** Thanks -WS MCITP(SharePoint 2010, 2013) Blog: http://wscheema.com/blog

The host name *** is already assigned to another Azure website

We have changed Azure Website which we want to assign to our domain, but get message The host name *** is already assigned to another Azure website.
All DNS settings are changed correctly.
I read from other forum posts that some entries must manually be changed by MS Support....or?
CRM Consultant/Business Advisor at Skill AS in Norway
RockStar365 profile

Hi,
For this type issue, I would suggest you to contact with azure support, it is a good choice, Please
contact support team by creating a support ticket at
http://www.windowsazure.com/en-us/support/contact/
Best Regards,
Jambor
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HTTP Server : Socet name is already in use ?

Hi all,
I am using workflow server 2.6.4
While trying to start the instances workflow component container for work flow manager, it is showing the followin error
"HTTP Server : Socet name is already in use "
What might be reason?
Thanks in advance.
Thank you,
Regards,
Gowtham Sen.

I�m sorry. I just realized that this is not the right place for this post.
But if anyone has an answerer for it would be great.
H-i-J

Computers local host name is already in use

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