IMac no longer sharing on home network

I am having problems using my iMac on on my network at home. It is only about 6 months old and all of the features I am having problems with have previously worked without problems.
The main issue appears to be that while my iMac is able to connect to the wifi network no problem, no other devices on the network can see the iMac.
The result is that I cannot locate another macbook on the network to share files with, I cannot wirelessly sync with my iPhone, I cannot use the homesharing feature on iTunes, I cannot use the Remote app on my iPhone to control my iMac.
All these used to work fine and I am concerned that through an update or an accidental setting change I have disabled them. I have gone through all the preferences to make sure they are set to enable the sharing so I would like to know if anyone esle having the same issue and what I can do to fix it.
Thanks

I kept playing with settings and finally fixed the problem.

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I'm not sure what you're asking. You can install OS X Server on your MBP, but I can't tell from your post what features of OS X Server you're looking to use.
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Mac Book will no longer join wireless home network

I am having ongoing problems with getting my 2.0G black Mac Book to connect to my wireless home internet and network.
For the first six weeks I had my Mac Book it connected to the network without difficulty. I have a Belkin modem/router, a PC which connects wirelessly and also an airport express on my stereo for airtunes, which was also wirelessly connected. The network was WPA Personal encrypted.
The Mac Book will connect to other wireless networks without any difficulty.
About 3 days ago my Mac Book stopped connecting to my home network - the network name is visible in the airport list but when I tried to connect by entering the WPA password it rejected the password or it returned an "error joining the airport network". The PC and airtunes were still connecting without a problem. It was just the Mac Book that would not connect.
I adjusted the network settings to remove WPA security and the Mac Book then connected easily. However I was not happy about leaving my network unencrypted or unsecured, so I attempted to secure the network again using WPA. Once again,the PC or airtunes joining the network with WPA but the Mac Book would not accept the WPA Password.
I have read as many forum posts as I could find to get all the possible troubleshooting tips on this problem. Here's what I've tried:
1. Deleting the network from my preferred network list and deleting the password from my keychain, then adding it afresh after rebooting the router and the Mac Book
3. Renaming the ESSID to a shorter name
4. Downloading Airport Extreme Update 2007-002
5. Toggling airport on and off
6. Using the $ in front of the WPA Passkey (even though that is a fix for the WEP passwords only)
7. Removing the battery (yes, someone said it worked for them!)
I had no success in getting the Mac Book to connect to the WPA encrypted network (even though it was doing so easily last week!). I then resigned myself to removing the WPA security so that I could at least get an unsecured internet connection on the Mac Book (I was thinking I could deal with the security by hiding the ESSID and using MAC filtering - not ideal, but perhaps the next best solution).
Tonight I removed the WPA security and now the Mac Book will not even connect to the unsecured network. My network ESSID is visible in the airport menu but when I select it - I get the "error connecting to the Airport network' message. I have tried all the usual fixes again (deleting network and passwords and keychains, rebooting router and MacBook etc) but it will not connect to my network. It will, however, connect to my neighbour's unsecured network just fine.
As far as I can deduce, the problem is with how the Mac Book sees my wireless network. The PC is connecting to the network. The Mac Book is connecting to other networks. Have I muddied the waters in my Mac Book through the various fixes I have tried? If so, how can I fix it so that it connects to my unsecured network as easily as it connects to next door's?
Forget about trying to secure the network with WPA for now, I just want to get an unsecured connection at the very least.
Any help would be appreciated.

Thanks for your suggestions.
I've looked into the problem a bit further and I think I can trace it to the OS X 10.4.9 updates and the 2007-002 Airport Update downloads. My difficulties accessing the WPA network began after I downloaded the most recent OS X updates. After I downloaded 2007-002 update (designed to make it EASIER to access third party wireless routers! Joke!) I wasn't even able to connect to the unsecured network.
It appears I am not alone with this problem - many others have complained of losing connectivity after downloading these updates. There is a relatively difficult and risky way to uninstall the updates but I have reservations about messing with the OS, and I fear the same problem will arise with future updates.
Because I am now so sick of mucking around trying to fix this and there doesn't seem to be a fix on the horizon, I have solved the problem by buying an airport express and ditching the belkin router. I have now re-established the network without any problems using the airport express. So much for Macs being simple and compatible - the reality is a long way behind the impressive tv advertising.

Leopard iMacs don't function in home network folder - only in "My Network"

Since upgrading two of our iMacs to Leopard, in Finder, the iMacs appear in both "Chris's" (our home network name), and in the generic "My Network" folders.
However, when I want to connect to the iMacs in the proper network (Chris's) I get the infuriating "...fix alias" garbage. Only by selecting the iMacs in "My Network" can I make a connection. Why? Is Leopard, even now, still behaving like a Beta product?
I want all of our Macs in the same folder, on the same network, accessible in the same folder. Just like it was in Tiger.
How do I do that? Or should I just revert to Tiger?
Many thanks in advance.
Cheers
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Well, I tried to post a screenshot but obviously cannot on this forum (!!!!!!!)
On all of my Tiger computers here, Finder's column to the far left has the Grey network Icon. Click on that, and column 2 has:
Library (Document icon)
My Network (Blue folder icon)
Reynolds (Blue folder icon - our actual named network at home)
Servers (network 'globe' icon)
I have had the 'My Network' icon since I installed Leopard on one iMac. I do not have any servers, this is purely a home network, I have no Windows PCs on the network, and the network is managed by a regular Apple Airport (n) Extreme Base Station.
This isn't life threatening. It's just an annoyance that normally is associated with Windows networking. But it isn't Windows, it's all Apple. I haven't created 'My Network' - Apple's equipment here has.
If it's just a stupidly bad designed element of OS X then I'll try to forget about it. It's just inexplicable and over-complicating an already complicated technology.
Thanks for your interest.
Chris

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HI,
Try the information in the Airport Troubleshooting Guide and see if you can resolve the problem that way.
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http://manuals.info.apple.com/enUS/AirPort_Extreme_Base_Station_Setup_Guidev4.2.pdf
Type Command + F on your keyboard. Then type in: Reset top right side of your Safari window just under your Bookmarks Bar then press return on your Keyboard.
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Hi guys,
I'm setting up an office at my house with multiple computers on a network, and we'll be sharing files over the network frequently. My question is, what is the best setup for this?.. Fastest transfer of files, stable wireless connection, etc.
All of the computers will be Macs (iMacs and Macbooks).
We'll be editing videos/photos on the computers. (Potentially large files)
Is the easiest setup just to have the main computer attached to a good router, setup file sharing on all other computers, and just do it that way?
Or would it be better to create some sort of NAS?
Also can someone reccomend a good router for this type of scenario?
Thanks for any help given.

NAS is the right tool for this job.
It is expensive but the market leaders.. synology and QNAP have really been doing it for long time and the ability to do file store/sharing and most importantly backup in these is excellent. Pick the best you can afford.. and buy disks that are in the recommended list. ie the cheapest are not always the best.. indeed they seldom are.
Plan very carefully for rotation of USB drives (easy and cheap now with 4TB single drives). Rotate backups with offsite location on weekly basis.
I would buy a 4 disk case.. you can use 4x3TB which are the best value at the moment.. that gives you 9TB of storage.. plus redundancy for a dead drive.
Alternatives are using a Mac Mini as a server.. with a large stack of disks on it.. generally should be thinking thunderbolt if you want speed. Hideously expensive though for now.
You can buy an Extreme or TC.. either would work well. TC allows you easy TM backups without using your NAS..
Edit very large files on the computer. ie copy to computer.. edit.. copy back to the NAS.
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Copy a large project to the computer.. work on it.. copy back to the NAS.. in the meantime Time Machine should be able to take care of incremental backups.
There are heaps and heaps of solutions.. as long as it is logical and easy to you.. and covers what you need.
Don't skimp.. spending a $1000 for a NAS with disks.. plus extra for the backup disks.. that represents how many day's work for you plus anyone you have helping.. $$$$ ????
A mini as a server is a good alternative.. You don't need to run server OS.. but share files to the network. Very hard to build the capacity of the NAS though.
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My new MBA has an issue. Every single time I open it, it says none of my preferred networks is available. I connect to my home network every day, but it refuses to automatically connect. All other computers at home do (MacMini, MacBook, MacBook Pro, and iMac). I select my home network in the WiFi dropdown and it connects just fine. If I close the lid and immediately open it back up, it has already lost the home network connection.
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https://discussions.apple.com/thread/3422041?tstart=0
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See if any of these help:
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Try performing a Renew License under Settings-WiFi-WiFiRouterName with the blue arrow.
If not, Forget Network. Then reestablish your services.
For Sharing My iTunes Library, be sure that the iTunes PC's Apple ID/Password is correctly entered and it is currently the active one. More than one PC will help to separate the services.
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Hi everyone,
Here's a real puzzler (for me anyway). I have three Macs, two PCs and an Escient digital jukebox on the home network over standard router-based ethernet connections. The system has worked great especially since Leopard came out and automatically detected the non-Mac devices and added them to the shared category on Finder. Suddenly in the last couple of days I noticed that although the Mac devices are still on the shared network, the PC hard drives and the Escient jukebox has mysteriously disappeared. All of the devices work properly, and I have made no changes in my network recently.
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Hmm yes.. this is a strange one.
You could try this as it appears to work with a couple of tests I ran.
Open your Network Preferences pane from  > System Preferences.
Make a new location.
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Click OK, Click apply and see if it worked.

My folder of playlists is showing up on my phone, but is no longer in itunes! How can I get them back into itunes to synch with my ipad? Sharing on our home network is enabled.

I'm relieved the playlists (there are 11 in the folder) are still on my phone, but I can find them nowhere in itunes. Other playlists are still there- just that one folder has disappeared. I synched my new ipad to the library, and when I did, the playlist was not one of the options in itunes.
Background: I have enabled sharing on our home network, and I haven't moved the locations of itunes files or changed anything with my computer, the settings, or my itunes login (apple id).
My goal is to restore the playlists from my iphone to the itunes library on my laptop so I can then synch the playlists to my ipad.
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Music is not included in the backup (and nor are films or tv shows), only the contents of third-party apps are included. Did you not do File > Transfer Purchases when connected to your computer's iTunes to copy your iTunes purchases over, and/or have you not got a backup copy of your music somewhere e.g. on an external drive ?

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I set up a home network between my macbook (leopard) and macmini (10.4) but can't see the shared computer tab in the Finder, could it be beacuase a don't have leopard on the macmini?
I guess I'm missing a trick. Can anybody help?
Thanks

I can no longer see my MacPro from my MBP in the
finder's "Network" window.
I can still connect using "Connect to Server" and
typing the IP manually.
From the MacPro I can see the MBP just fine.
I repaired permission, ran cocktail etc...
Any ideas?
Apple uses a service called "Bonjour" to discover devices on a network. Bonjour piggybacks on the mDNS service, meaning it broadcasts on port 5353. Apple is sensitive to being called "chatty", because it's past device discovery methods were indeed chatty. Bounjour has built in some passivity, and devices will delay their broadcasts if logic detects they're not needed. Sometimes all it takes is clicking on the Network tab.
It all boils down to 1 of 3 things:
1) The MacPro is not sending out Bonjour discovery packets.
2) The MacPro is sending out Bonjour discovery packets, but the discovery packets are not reaching the MBP. This is highly doubtful, since the process is working in the opposite direction.
3) The packets reach the MBP but it's not responding to them.
There's a great (and free) utility called Bonjour Browser, and it's available on versiontracker. If you run it on the MBP, you'll have a much better ideas as to what's happening.
My best guess is that the MacPro is not sending out packets. This would either be due to not having anything to share (File Sharing turned off) or logic which dictates that it's been sending out these packets for a long time so they're delayed for 30 minutes to reduce chattiness.
Powerbook G4, iMac (Intel), and tons of hardware sitting in the closet Mac OS X (10.4.8)

Network problem with one particular iMac in a home network

I want to report a problem involving one particular iMac (2008 Al 24").
On my home network (Apple Airport Extreme and Express extensions, about five Macs and couple of iDevices), all other Macs can see and connect to each other as well as printing to the networked Brother printer without problem.
However, on one particular iMac, I can see all other Macs, can set Brother printer as default with green dot next to it in Print Preference Pane, but I can not connect to other macs, nor print to the printer. Meanwhile, the iMac can get on the internet without any problem. I checked Share Preference Pane and all settings are same as other macs.
The iMac used to work flawlessly until recently, and I first noticed the problem because I could not print, getting a message the printer can not be found (and the dots turn yellow for a while then went back to normal green). Then, I found neither the iMac, nor other macs on the network can connect to each other, even though I can see all of them in Finder.
I opened Apple Remote Network on my own mac, and I can see and connect all other shared macs, but this iMac's status showed not online, even though the IP adress is valid. As a results, no other macs can connect to the iMac, either. It seems to be a problem with the intranet only, not internet.
One more thing, about a month ago, the iMac popped out a warning about network name, saying the old name was in use (conflict) in the network, so I have to change it in Share Pane. Not sure if this is related to the intranet problem.
Reboot and repaired permission several times, no change. Hate to reinstall everything. Any help would be greatly appreciated.

Another update:
For unknown reason, my iMac was suddenly back onto the home "intranet". It can be accessed by my MacBook Air through Finder Connect, and can also be seen by Apple Remote Desktop.
However, printing is still a problem while other macs have no problem printing to the same printer. Whenever I send a print task, either Word document, or other programs such as GraphicConverter image, the iMac tried to connect to the default printer, but failed, and wanted to try again in 30 seconds 9and continued to fail). Meanwhile, the green dot next to the printer selection turned to yellow in Preference Pane. But as soon as I cancel the print job, the printer status went back to normal green.
The printer is a Brother color laser HL-4070CDW, connected through wireless (g only), with it own DHCP but specific IP address. I printed out a setting for the printer and all looks normal, and all other macs can print to it without problem. Other macs can also get access to the printer profile, and check inks copy counts, etc, but the iMac cannot.
Only thing changed since last post was a new update for Apple Airport firmware (to 7.5.2 I think). So my problem is still half solved: can connect to other macs on the same network, but still not be able to print.

IMac no longer sharing on home network

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