Screen Sharing 10.4.11 From 10.6.2

I have been trying to share a 10.4.11 screen from a Snow leopard machine and have not been able to get it to work. Is it possible? If so is there DETAILED instruction of how do do it anywhere?
When looking at the other machine in Finder I see the sharing button but it won't connect for sharing (but can for file transfer)
My situation... I just got a 27" iMac running 10.6.2, but I still need to run some Classic Apps. I previously used a PowerMac G5 Running 10.4.11 which I passed onto another family member that still let me used Classic (which is why I did not upgrade it to 10.5)
I tried to get SheepShaver up on Running on my new iMac but only have a 9.1 Disk.
I have an older 800 MHz with 10.4.11 which can run classic.
Originally I had hoped to connect that to the video of the 27" iMac... But there are no adaptors and i read if and when they do exist they will be very expensive (this I did not know before I bought the imac)
Anyway one solution (outside of another monitor - not an option financially or space wise now) would be for me to be able to do screen sharing and control the PowerMac from the imac. That would let me use my classic Apps. I was thinking of connecting the machines via firewire 400 which I THINK should give reasonable performance (my router is only 100 Mbit)
Thanks
- Karen

Hi Karen,
It should work, I use a 24" iMac running 10.6.2 to contril an eMac/10.4.5 and 2 PCs running XP Pro.
On the 10.4 Mac>System Preferences>Sharing, enable Remote Login, Apple Remote Desktop, and Remote Apple events.
Then on the new 27"er, Finder>Go menu>Connect to Server, then type in vnc://ip.of.the.otherMac
Sign in with the Username & Password of that other Mac.

Similar Messages

Screen Sharing No Longer Responds from Master Machine

For a long time, I have used screen sharing from my iMac to control my Mac Mini on the TV. Now, I can connect to screen sharing but the Mac Mini no longer responds to any commands from the iMac.
Another factor that may have contributed to this:
I use Hippo Remote to control the Mac Mini as my home theatre PC. This also has worked fine for a long time. Now, however, it can hardly get a connection anymore and when it does, I have no control over the Mac Mini any more. I've emailed their tech support but with little result.
The only other thing I know of is that I'm running two video server clients on my iMac to provide remote access to video files via my iPhone or iPad. I don't think those should interfere with the Mac Mini though.
Has anyone else run into this? Know of any solutions?
I've tried reboots, turning off the Hippo Remote VNC server on the Mac Mini, and other servers but nothing is getting me what I used to have.

Apple Tech guys and girls do not post in these User-to-User forums.
On a Specific day there was a problem with the SNATMAP server and everyone had issues with iChat Video and Audio chats.
The Original Poster did not seem to make it to the other threads at the same time.
I informed him that there had been a issue and that it seemed sorted for most people and asked if he still had an issue.
On the basis he said he was working - the problem and cause of that problem have been dealt with.
At which point do you not get that, in this thread, the issue discussed is sorted for the original poster and that you should move on ?
I will be quite happy to discuss your issues in your thread.
From Terms of Use
Threadjack—To wrongly post a dissimilar issue in an existing discussion, distracting from the true focus of the discussion. If your issue has any significant difference from a similar topic, then you're probably better off posting a new topic to focus attention on your particular issue.
See also http://discussions.apple.com/help.jspa#questions
I can not make people mark their threads as finished.
It also does not mean that the issue does not arise for you.
What I am saying that in this context the solution will not suit your situation.
An External event (SNATMAP Down) to all parties caused the problem he had and a second External event (SNATMAP up) solved it.
AS SNATMAP has not fallen over recently you have another problem and it is not related to this one.
I hope this is clear enough for you.
11:26 PM Monday; June 16, 2008
Please note the time. I may not get to New Posts Today (My Time)

Screen Sharing issue with VNC from Mac to PC - Black Screen

I have a Mac mini at my place of work. From it, using the built-in VNC capabilities in Leopard, I am able to successfully VNC to any Windows-based PC. I have a Mac Pro at home that tomorrow I am taking to my office. From my home I VPN into my office and want to VNC to my computers from the Mac Pro sitting at home. VPN connects just fine and when I attempt to VNC, I get a response from the computer at work and am prompted for the password and then I get connected. The problem is that the VNC screen is black. I can see that I am connected to the right computer because it's name is at the top, but there is basically no display. Tomorrow the Mac Pro will leave my home to be placed in my office. However, I am going to get an iMac for my home and need this functionality. I anticipate that I will have a similar problem with the iMac and would like to get it fixed now. Any thoughts on why I am seeing this? BTW...VNC works fine using Chicken of the VNC on my old iMac G3 running Panther over the VPN.
Thanx...Jon
Message was edited by: jhyiesla

I have the exact same problem! I can connect using RealVNC viewer, but, on Leopard's in-built Screen Sharing app, I can authenticate, and see the computer name on top, but, there is simply no display! I have opened all ports on my router, and completely doing away with the Leopard firewall also doesn't seem to help!
Any leads yet?

Really tired of screen sharing not working after upgrade to 10.10

I have tried everything I can think of but I simply cannot get screen sharing to work any longer when I am not within my home network.
I NEED this to work. Anyone else having huge problems getting screen sharing working when away from their home network?
Anything at all I can try at this point? Sometimes the share screen button doesnt even show, sometime it does and then says it cant
come up, sometimes my mac at home doesnt even show up in the Shared sidebar area.

I've had lots of issues with my Macs picking up new names eg. 'iMac (2)' instead of 'iMac' which led to sharing issues (screen sharing, AFP etc). I've set up new DHCP IP reservations on my router (Time Capsule) in the hope it will stop happening.

Can't seem to restrict access to screen sharing

I'm running a macbook pro (10.6.2). I'm at my folks' place for the holidays and I tried screen sharing into my MBP from my dad's iMac (10.6.2) and noticed that I could access the MBP screen without any password prompt.
I went into my MBP sharing system preferences and set screen sharing to: "Allow access for only these users: <my login>"
Again, I tried accessing my MBP screen from the iMac, and again I was able to get in without any password prompt.
Now I'm using my dad's login on his iMac, which is completely different from my MBP login which I thought I had limited screen sharing to. All of this is taking place within a home network.
I would like to allow screen sharing on my MBP, but only if it's password protected. Can anyone see what I'm doing wrong here? Why does my MBP keep allowing open access to screen sharing when it appears that I am restricting it to only my profile?
I tried messing with the options in "computer settings", but that didn't seem to help either.

I would suspect that the first time you did it (may have been a while back) the password was saved in your father's keychain on the imac.
open keychain access on the imac and see if it's there. if you delete the keychain entry for that password it should ask again next time you try to connect. and don't check the box to remember the password in the keychain.

Screen Sharing issues with ML and SL with dual displays??

Don't know if this is a ML issue or was present in Lion (which I never upgraded to)
Setup...
Old setup was 2010ish MBP and only 2006 iMac. Both with SL 10.6.8 and both have two monitors...no issues.
Upgraded to ML on the MBP on release. Realtively painless process. I tried screen sharing today and I get odd responses with the MBP to the iMac. Just so everyone knows, screen 1 is the main iMac screen and screen 2 is the additional monitor. When showing both screens I could see all screen realestate. However, when I changed to only display screen 1 I started having issues. I couldn't get the entire screen to fit within the window nor scroll to show areas not displayed. Sometimes switching between fit in window and no fit, I would get a blank screen. Screen 2 only displayed and all is fine. I noticed on screen 1 that there was a little black bar or open space on the bottom of the window that was exactly the same size that was missing from the top. No ability to fit or scroll would allow the black space to move so that the menu bar on the top of the main monitor would display.
After doing a bit of searching with no luck and scratching my head, I took a look at the Arrangement screen in the display settings. Wouldn't you know it that the main screen (having a smaller resolution than screen 2) was aligned so that the top of each display was even with each other leaving a small space on the bottom of screen 1 compared to screen 2. When I moved screen 1 in the arrangement screen to a more drastic alignment to verify this was the problem...screen sharing crashed when going from both screens to only display screen 1. Tried screen sharing again going from two displays to one, crashed again.
It appears there is some sort of bug or maybe ML and SL screen sharing doesn't like each other when the remote computer has two monitors.
Submitting bug report to Apple but was curious if anyone else has seen this or knows a work around.
Mike

I have a similar configuration (Lion 2011 MBP and SL 2009 iMac w/ second display). After installing the recent Remote Desktop update things went awry when trying to share the iMac SL displays with the MPB Lion.
The displays on the iMac are the same resolution, however the second display physically sits a bit lower than the iMac display, so I had adjusted the arrangement to compensate the different heights. The second display is located physically to the left of the iMac display, but that shouldn't have any effect as far as I'm concerned. Screen sharing had worked in this config until the recent Remote Desktop update (on Lion).
I thought about what you mentioned about the display screen arrangement, so I decided to just test it for myself, arranging both displays side-by-side on the displays arrangement control panel. Surprisingly, it worked!
I do consider the Remote Desktop update to be the culprit and there must be some bug associated with that. I'm getting ready to submit a bug report, so hopefully we'll see a fix soon.

Video/Screen Sharing via 3G connection not possible - port restrictions?

I'm running Jabber-based iChat AV 5.0.3 sessions from my MBP connected to the Internet via a wireless USB modem 3G/UMTS (German Telekom D1 network). My buddies are connected to the Internet via regular broadband connections (DSL). I have set up a hosted Jabber server via Dreamhost (without SSL, port 5222 used).
Status Quo:
- Contact status of remote Jabber users shows up properly. All buttons (text chat, screen sharing, video) are available (not greyed out) on both sides.
- Text chat works fine.
- Video chat and screen sharing can be invoked from both sides (confirmation window shows up), but after confirmation the initiation process doesn't finish successfully. The video/screen sharing session doesn't run. *iChat AV shows a message indicating that it doesn't receive an answer from the remote user device.* If the iChat session is initiated from a buddy's computer, the buddy gets the same message respectively.
- For testing purposes, I changed the internet connection on my MBP from the mobile 3G USB modem to a regular *DSL broadband connection (same ISP, German Telekom). In this scenario, video/audio calls and screen sharing work flawlessly!* Therefore, I assume that the problems in 3G connection mode is caused by the ISP (German Telekom) blocking/restricting ports required by iChat AV for initiating the video call and streaming the data on their 3G network.
Is there any way to bypass ISP restrictions, by either changing specific iChat AV port settings on both ends (client devices) or by port forwarding? If yes, which settings should I change? Unfortunately, it's couldn't find any document indicating which ports are opened/allowed by German Telekom's 2G/3G (GSM/UMTS) network.
Below is an excerpt of the error message produced by iChat AV:
iChat Connection Log:
2010-11-09 21:18:19 +0100: AVChat started with ID 494414145.
2010-11-09 21:18:19 +0100: [email protected]: State change from AVChatNoState to AVChatStateWaiting.
2010-11-09 21:18:19 +0100: 0x1a8bf8b0: State change from AVChatNoState to AVChatStateInvited.
2010-11-09 21:18:28 +0100: 0x1a8bf8b0: State change from AVChatStateInvited to AVChatStateConnecting.
2010-11-09 21:18:28 +0100: [email protected]: State change from AVChatStateWaiting to AVChatStateConnecting.
2010-11-09 21:18:48 +0100: 0x1a8bf8b0: State change from AVChatStateConnecting to AVChatStateEnded.
2010-11-09 21:18:48 +0100: 0x1a8bf8b0: Error -8 (Did not receive a response from 0x1a8bf8b0.)
2010-11-09 21:18:48 +0100: [email protected]: State change from AVChatStateConnecting to AVChatStateEnded.
2010-11-09 21:18:48 +0100: [email protected]: Error -8 (Did not receive a response from 0x1a8bf8b0.)
Video Conference Error Report:
0.000000 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/DotMacConfiguration.m:1039 type=4 (FFFFFFFF/2)
[HTTP GET failed (0)]
0.000627 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/DotMacConfiguration.m:758 type=4 (FFFFFFFF/0)
[HTTP GET failed (0)]
0.346813 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/DotMacConfiguration.m:758 type=4 (FFFFFFFF/0)
[HTTP GET failed (0)]
1331.086051 @/SourceCache/VideoConference/VideoConference-415.22/SIP/SIP.c:2917 type=4 (900A0015/0)
[SIPConnectIPPort failed]
1333.086142 @/SourceCache/VideoConference/VideoConference-415.22/SIP/SIP.c:2917 type=4 (900A0015/0)
[SIPConnectIPPort failed]
1335.086270 @/SourceCache/VideoConference/VideoConference-415.22/SIP/SIP.c:2917 type=4 (900A0015/0)
[SIPConnectIPPort failed]
1337.086603 @/SourceCache/VideoConference/VideoConference-415.22/SIP/SIP.c:2917 type=4 (900A0015/0)
[SIPConnectIPPort failed]
1339.087985 @/SourceCache/VideoConference/VideoConference-415.22/SIP/SIP.c:2917 type=4 (900A0015/0)
[SIPConnectIPPort failed]
1341.088212 @/SourceCache/VideoConference/VideoConference-415.22/SIP/SIP.c:2917 type=4 (900A0015/0)
[SIPConnectIPPort failed]
1343.088361 @/SourceCache/VideoConference/VideoConference-415.22/SIP/SIP.c:2917 type=4 (900A0015/0)
[SIPConnectIPPort failed]
Video Conference Support Report:
929.446913 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2059 type=2 (00000000/0)
[Connection Data for call id: 1 returns 1
934.996640 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2074 type=2 (00000000/0)
[Prepare Connection With Remote Data - remote VCConnectionData: 1, local VCConnectionData: 1
935.002114 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2266 type=2 (00000000/0)
[Initiate Conference To User: u0 with Remote VCConnectionData: 1 with Local Connection Data: 1 conferenceSettings: 1]
935.467624 @/SourceCache/VideoConference/VideoConference-415.22/SIP/Transport.c:2138 type=1 (00000000/0)
[INVITE sip:user@rip:16402 SIP/2.0
Via: SIP/2.0/UDP lip:16402;branch=z9hG4bK0fdd30e326aa779b
Max-Forwards: 70
To: "u0" <sip:user@rip:16402>
From: "0" <sip:user@lip:16402>;tag=544473054
Call-ID: 9c7ecf46-ec3d-11df-8530-f81eeb5f4012@lip
CSeq: 1 INVITE
Contact: <sip:user@lip:16402>;isfocus
User-Agent: Viceroy 1.4
Content-Type: application/sdp
Content-Length: 708
Video Conference User Report:
928.427249 @:0 type=5 (00000000/16402)
[Local SIP port]
934.996832 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2171 type=5 (00000000/0)
*[Remote Router]*
*[PORT RESTRICTED]*
934.996842 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2173 type=5 (00000000/0)
[Remote CommNAT Result: 0x000000d0
936.003962 @:0 type=5 (00000000/60)
[Detected bandwidth (kbits/s): 2627 up, 2627 down. (00000000)
936.033015 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VideoConferenceMultiController.m:2423 type=5 (00000000/0)
[Start Conference With UserID: u0]
978.787787 @:0 type=5 (00000000/16402)
[Local SIP port]
1014.011790 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2171 type=5 (00000000/0)
[Remote Router]
[PORT RESTRICTED]
1014.011800 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2173 type=5 (00000000/0)
[Remote CommNAT Result: 0x000000d0
1015.024555 @:0 type=5 (00000000/60)
[Detected bandwidth (kbits/s): 2627 up, 2627 down. (00000000)
1015.031800 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VideoConferenceMultiController.m:2423 type=5 (00000000/0)
[Start Conference With UserID: u0]
1323.083386 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2171 type=5 (00000000/0)
[Remote Router]
[PORT RESTRICTED]
1323.083396 @/SourceCache/VideoConference/VideoConference-415.22/Video Conference/VCInitiateConference.m:2173 type=5 (00000000/0)
[Remote CommNAT Result: 0x000000d0
(…)

Hi,
Does this 3G device have any set up functions that are on your Mac ?
If it does not it is likely that it is wide open to all Port (65535 of them).
I presume that in System Preferences > Network you see a Public IP when using this device ?
Again this would tend to pint to all the ports being open.
Is there anything on the ISP's web site that suggests this device is unsuitable to be used with VoIP or SIP connections ?
VoIP (Voice over the Internet) uses the SIP connection process the way iChat does.
Most likely the issues is the way packets are sent.
When you do a download, for instance, do you find the speed increases in the first few minutes ?
When some data packets are sent over the Internet the next one is not sent until confirmation that the first has arrived.
This Latency effects Point to Point WiFi (antenna to Dish on House) and satellite connections mostly particularly when it is a two way thing.
It can effect Mobile/Cell phone type connections.
What sort of Speeds are you getting on the 3G device ?
http://www.speedtest.net/
Do these seem to get faster as the time proceeds ? (this can be difficult to spot).
The Log mentions one end being at just over 2Gbps although it does not make it clear which end.
As the Remote end is the end that reports "Router: Port Restricted" and it works over standard DSL we have to presume they have the ports open.
You could try restricting iChat 's Bandwidth in iChat menu > Preferences > Video Section to 500kbps (try it at both ends)
If that does not work try 200kbps
This may stop iChat from trying to send data too Fast for the Network Connections.
Realistically there are a few too many variables here.
It could be Speed of data throughout at the Initiation point. (Slow Start up of data transfer)
It could be an Internal setting preventing SIP.
It could be that the 3G network sends and receives data by different routes.
(I have seen this once when a ISP was repairing some Cabling. To maintain end user speeds they managed their own network to split Incoming and outgoing data to the end point.)
iChat does not like this as it checks the IPs and the Hops (number of intermediate stages/servers) and if the data is different it will not connect (Man in the Middle attack protection).
I can't remember the last time I knew of someone being successful with either an 3G USB dongle or a 3G phone as Modem (internet Sharing).
Despite my ideas I think you will be unlucky and this will not work.
10:31 PM Saturday; November 13, 2010
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"

Slow/lagging performance while screen sharing in OS X.

I am running two "headless" '09 Mac Mini. I control them with Screen Sharing in OS X from my MacBook 2.1ghz & MacBook Air 1.6ghz. After 10.5.7, screen sharing is very slow in response. This is the same for all my Macs, not just the Mini. My wireless bandwidth is 14 mbps down & 8 mbps up so it is not my network connection. Please look into this.
Thank you,
Mike

Please look into this.
This forum is for the exchange of information between Mac OS X customers. It is NOT a communications channel to Apple.
If you want to report this to Apple, then use one of the following methods:
<http://www.apple.com/feedback/macosx.html>
<http://bugreporter.apple.com> Free ADC account needed for BugReporter
If you want fellow customers to take a stab at diagnosing this, please provide some additional information.
How are the systems connected? Ethernet, WiFi, over the internet (some or all of the above may apply)? A simple diagram such as
modem -- ethernet --> wifi base station
wifi base station -- 802.11n -> MacBook Air
wifi base station -- ethernet -> Mac mini A
wifi base station -- 802.11g -> Mac mini B
would be useful.
If over the internet, what method do you use to establish a remote connection, and did you have to make any special configuration setups to allow that connection?
If WiFi, is it 802.11b, 802.11g, or 802.11n. If 802.11n is 'n' working in the 2.4GHz or the 5GHz frequences (it matters).
If using the 2.4GHz frequences (802.11b, 802.11g and 802.11n in 2.4GHz mode) can all be affected by interference from neighbor's WiFi equipment using the same channel, 2.4GHz cordless phones, 2.4GHz baby monitors, microwave ovens (I'll discount the microwave oven unless you cook 24/7).
You can check on the neighbor's WiFi channel using with a utility such as
AP Grapher
iStumbler
KisMac
AirRadar
You should be able to find any of these utilities at
<http://versiontracker.com>
<http://macupdate.com>
What Mac OS X 10.5.7 installed on ALL the systems, or just the MacBook Air?
Besides upgrading to Mac OS X 10.5.7, have you made any other equipment changes (new router, new ethernet switch, moved equipment to a new location, played with any router configuration settings, etc...).
Actually some of this information would useful to Apple as well, if you should choose to report it to Apple.

Maverick causes turtle crawl for screen sharing

I have a Mini which only sends music to my audio system. I was and want to control it from a MacBook Pro via Screen Share. It isn't connected to a display. My internet is slow. With 10.7 I was able to lower the resolution of the imaginary display, in display settings, to get a faster response. Navigating with the arrow now is painful, I'm just not oordinated enough to anticipate where the arrow might land. I only have one option for a display setting which is higher then my internet would find advantageous. I'd love to go back to any earlier system and staying there but that seems as complicated as maybe a simplier answer. Hopefully someone can help me with some network setting or something to speed up Screen Share with Maverick.

Screen sharing didn't benefit from Maverick. Now Screen sharing has slowed down considerably and has an akward way of updating to my scrolling commands.

Airport Extreme is allowing access to screen sharing, file sharing from external IP addresses (some from China, Canada etc)

How to get control over the ports/port forwarding etc in Airport Extreme?
How to make AE drop packets to certain ports from external ports. Or create whitelist/blacklists?
I figured out where the MAC filtering is! (It is inside the Timed Access Control). I wish it had a list of connected device and allowed me to select, name and add them.
I am getting requests from Chinese IP to the screen sharing ports forwarded to my iMac. Had requests to other ports as well. There was one IP address from CANADA too.
I want to open file sharing for local use only.

Why is Airport Extreme forwarding requests for screen sharing from external ip addresses to my imac? I don't have a public address, nor use dynamic dns service, and I have removed the server app (at least I think I have, but Apple Store doesn't think so).

Screen Sharing and Wake from Sleep

Hi,
I'd like to know if there's any way a Screen Sharing request from a remote vnc client can wake a Leopard machine from sleep. I've opened the vnc port on firewall, tested screen sharing while its awake... all good. When the target machine is asleep though it doesn't see the request as "Wake for Ethernet Administrator Access" I guess ?
Has anybody found a way to do this? I spoke to Apple support but they suggested I try Discussions.
Cheers.

None of the file sharing or screen sharing apps actually send the WOL packet. You can have launchd watch the screen sharing app and then send the WOL signal when you use it. There will be a slight delay but it does work. You need to download and install wol as it does not ship with osx. You will also probably want to get "lingon" so you can set up launchd easily.
Commentary: I find it ridicules that this stuff isn't already built into the apps. Electric costs money and using it unnecessarily is a waste. Yet not one of the apps or tools designed to work over ethernet with another computer sends the wol command. Its like the developers expect you to have your computer on 24/7.

I am suddenly having trouble sharing the screen of my work iMac from my MacbookPro at home and visa versa

Neither appear in the shared section of the Finder of the other. This is despite the fact that both are set up with my AppleID and have screen sharing turned on. To make the situation more interesting I have another computer on my home network, an older mac mini. The home Mac Mini does show up in the finder as shared both at work and on my MacbookPro at home. It is set up in the same way as the other two. I can screen share my mac mini from work or my work iMac from the home Mac mini. I can even share the mac mini from the work imac and then share the macbookpro from the screenshared mac mini! I can also screen share my work imac from the mac mini at home.
I have checked my settings on all 3 computers and they seem to be exactly the same.
The home MacbookPro has OS 10.9.2
The home Mac Mini has OS 10.7.5
The work iMac has 10.9.2
This has been very frustrating and puzzling. Any help would be much appreciated.
Thanks!

Neither appear in the shared section of the Finder of the other. This is despite the fact that both are set up with my AppleID and have screen sharing turned on. To make the situation more interesting I have another computer on my home network, an older mac mini. The home Mac Mini does show up in the finder as shared both at work and on my MacbookPro at home. It is set up in the same way as the other two. I can screen share my mac mini from work or my work iMac from the home Mac mini. I can even share the mac mini from the work imac and then share the macbookpro from the screenshared mac mini! I can also screen share my work imac from the mac mini at home.
I have checked my settings on all 3 computers and they seem to be exactly the same.
The home MacbookPro has OS 10.9.2
The home Mac Mini has OS 10.7.5
The work iMac has 10.9.2
This has been very frustrating and puzzling. Any help would be much appreciated.
Thanks!

Remote Screen Sharing (VNC) from outside of my LAN

I often have to connect to my parents' Macs to help them out with various things. I commute between two cities and stay with them when I'm there.
(I set up a dynamic hostname with DynDNS to point to our router, which defaults to port 443, which on the home network is reserved for the QNAP NAS that's set up. I set the router up to be reachable at port 455 but I'm not sure if it is successfully sending IP address updates to DynDNS. I don't see a way to check if it is. DynDNS seems to require a paid account for that functionality and my routers log is also not very helpful. In short, I'm having trouble getting the whole dynamic DNS thing to work reliably with our router, which is otherwise a great little box: a Fritz!Box Fon WLAN 7390).
I use Jolly's Fast VNC (http://goo.gl/UmllQ) to connect to a personal server and that works wonderfully, but then there the details are taken care of for me by my provider and I just have to type in the details.
What I'd really love is something like Edovia's Screens (http://www.edovia.com/)... except for the Mac rather than the iPhone/iPad (though I do own an iPhone copy of it and it's wonderful).
We do share a MobileMe subscription in the family, but that's not very helpful here either.
So far, we've used iChat, Skype screen sharing and I often end up using TeamViewer because of its speed and near non-existant setup.
My goal is to find a way to connect to my parents' Macbooks even when they are not around so I can help them out with problems while they may not even be around. The key here is that I want to be able to control their screens without needing any action on their part.
Suggestions for the simplest possible way to do this are very welcome.

I didn't know TeamViewer could be set up to be accessible without a second user having to be around to give me the session ID and password. I wonder if it's worth looking into that if LogMeIn Free with its server always running is a perfectly acceptable solution? Any advantages to using TeamViewer's solution?
The free LogMeIn account does NOT allow file transfer. The free for personal use TeamViewer does.
LogMeIn server hides in the background, so it is less likely your parents will Quit LogMeIn.com, were as TeamViewer looks like just another app, so they might Quit from it to get it out of the way.
Of course if you need to transfer a file (or 2), you could use DropBox.com for that, and it is a very easy way to transfer files between systems. Or you could store the file on your MobileMe account in a public place, then via LogMeIn copy the file from your public space into your Parent's Mac(s). Or your could use LogMeIn to start TeamViewer, and then use TeamViewer to transfer the file.
Basically once you can start applications on your Parent's Mac(s), you can use any number of utilities for transferring data.
We do have MobileMe. I was under the impression that the way Back to my Mac works is that it will show you YOUR remote Macs in the Finder's sidebar. You know, ones that you're also logged in with YOUR MobileMe credentials. We all use our own, unique MobileMe accounts. Am I missing something?
Yes, all the Macs would need to use the same MobileMe account. Do you all really need separate accounts? Maybe a Family account.
I could deal with the port forwarding and DynDNS but I'll have to set that up to remotely administer my router and NAS, which is turning out to be quite the pain. So if I can simplify, I will. LogMeIn or TeamViewer will do the trick just fine.
Port forwarding is a once and done thing for your parent's router. It allows you to get to their Macs from outside their home. It should have nothing to do with remote admin, or your router and NAS. Also once you can Screen Share your parent's Mac, you can then use that Mac to talk from the inside to their router. Although one must be very careful about making router config changes as one "Oops" and you could loose your remote access, and have to visit Mom and Dad to get physical access
By the way, I've been using VNC/Screen Sharing and AFP file sharing over ssh tunnels in conjunction with port forwarding on the destination router for years. I do this, even though it is more work, because it was available long before most of the above services were available, and because it has a lot more flexibility once you know how to use it. Oh yea, I'm also a Unix software developer and spend a lot of time using ssh anyway

I accidentally deleted Screen Sharing app from my Macbook Pro (Mountain Lion). Can I download it again?

Any chance of finding this as a download?

Hi Carolyn;
Well it seems like I wasn't as stupid as I thought. I initially thought I'd deleted an app called Screen Sharing from my applications folder, as after I'd finished my session of deleting unused apps, the availablity of the "Share Screen" button in the Finder window (under the "Connect" button) when you click on a shared computer in the home network was gone.
Now it seems it's back.
Problem solved!

Automatically accept screen sharing from specific user ???

My mother is a newbie mac user. To be honest, she's a newbie computer user - full stop. She did inherit my PC laptop when I switched, but within a week she had crashed it. The mac she has is still running. (And guess who got it for her. I'm a good daughter.)
Anyway - her G4 Powermac is running Leopard like a dream. In fact it is much faster now than before. Still, she has a few issues. Like the other day, she couldn't get music through her speakers and I'm abroad at the time.
I asked her to accept a screen share, she did. I fixed the speaker issue and closed the screen share. She is happy as larry. But that got me thinking. Is it possible to automatically accept screen share from certain users? That would be a great help if that would be possible.
Thanks in advance.

Musicsites, here is your answer. Just follow the instructions completely and it will work quite well. I have it running and it allows my iMac to automatically answer incoming Screen Sharing requests ONLY from my MacBook.
<http://www.getstonered.com/2007/11/applescript-automatically-accept-ichat.html>
Mike

Screen Sharing 10.4.11 From 10.6.2

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