Screen sharing - enable/disable mouse

When in screen share mode, is it possible to disable the other persons' mouse(s) so that they can view my screen, but cannot make changes to it?
Also, it it possible to then 'turn over' permission of that mouse to specific individuals?
Also, is it possible to share a screen with more than one other person?

No, so then no and No.
Sorry.
You can use the option in System Preferences > Sharing about Screen Sharing and then this will allow you to VNC:// in the go to Server option in the Finders Go Menu
8:43 PM Sunday; August 10, 2008

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Accessing Muse via Screen Sharing has bizarre mouse behavior

When accessing another Mac using Screen Share... built in to the Finder, I can see Muse, but any attempt to edit a page displays strange mouse behaviour. Specifically, clicks down and up seem to be mis-interpreted as clicks held down by Muse, and only by Muse. Other apps don't show this behaviour. 100% repeatable, and easy to reproduce -- just click on an object and try to move it and you'll see how it's tough to unclick and stop dragging things around. Seems to be specific to Muse.
Using Lion on local machine, Snow Leopard on remote computer running Muse. Licensed on both locations, just sharing to give design advice.

See this at MacFixIt.
...and 'Google' for, say, "screen sharing black window" and you'll have some suggestions.
Andreas

Can't Bomgar in since upgrade - Screen sharing ... disabled ..unknown display color depth

Since upgrading multiple customer systems to Mountain Lion, I am no longer able to use Screen Sharing in Bomgar. The following message appears: Screen Sharing has been disabled by the customer client. [Uknown display color depth: 0]
The only brief workaround is to tell someone on the other end to manually change the display setting to Scaling instead of Best for built-in-display will allow a one-time access as that setting immediately reverts back to Best for built-in-display. Dumbing it down might make it persist, but that isnt' feasible.
Bomgar support is closed over the weekend. I contacted Apple, and they said that there is no way to make the setting persist. That rep also didn't know of any terminal command that could be used to set the Display Resolution to Scaled either.
If there were a terminal command to set it to Scaled, that would help much because the Command Shell option in Bomgar does work, and I am able to launch a terminal.
I also tried to see if there were any settings I could manipulate in Screen Sharing in OS X, but there were none. I am getting the same result with Screen Sharing enabled or not enabled.
Anyone else experiencing this?

I'm sure you've tried reading https://bbs.archlinux.org/viewtopic.php?id=57084
and http://wiki.cchtml.com/index.php/Configuring
and I'm sure you've done
aticonfig --initial
I had to use https://wiki.archlinux.org/index.php/AT … leshooting, specifically the part about disabling EXAPixmaps to make my card work.
What model is your ATI card? that would help. A LOT of ATI cards were dropped from proprietary support with the Catalyst driver.

Screen sharing mobile account (open directory) not working

Can anybody else verify that screen sharing, through Remote Management, does not work when trying to connect to mobile accounts on 10.7 Lion?
Please note, when I say through Remote Management, I mean that under System Prefs->Sharing->Screen Sharing is disabled but Remote Management is enabled. (Remote Management being able to provide it's own screen sharing)
Also I dont mean VNC... please make sure the "VNC viewers may control my screen with password" option is turned off under System Prefs->Sharing->Remote Management->Computer Settings

I can confirm this. Same experience here on a 10.7.2 Mac.
I get a "Please verify you have entered the correct name and password".
Does this work on 10.6? I'm unable to check at the moment.

I cant get screen sharing to work on my home network

I am trying to connect my macbook pro to screen sharing so i can access it at my school computers, which are all iMacs running 10.6.6. When i was at school, and connected to the wireless network at my school i could screen sharing through the finder>go>connect to server. Once screen sharing was enabled i just entered the vnc address and it connected flawlessly. When i got home, and i set my netgear router( wireless-n 150 model: wnr100v2) for port forwarding start port: 5900 end port:5900 server name vnc, and set the ip address to my computer, and when i tried to screen share from another macbook within my network through the finder>go>connect to server, i could not connect. Oddly when i connected my mobile me, i cold screen share over the network. I want to do a WAN screen sharing and i cannot figure out how do do it. I would appreciate any help because it is very important that i enable this feature.

I'm a little confused by your explanation (it's late), so I am going to say what I think I read:
You want to set up your home computer so you can access it via screen sharing from school.
The home computer needs sys prefs sharing screen sharing enabled, and sys prefs security firewall must allow it, too. You port forward port 5900 through your home router to that home computer, which may or may not require that you use a static "192.168.x.x" (or "10.x.x.x" -- whatever the router's LAN subnet is) LAN IP address on that computer -- some routers require that computers acting as servers have static IPAs -- some routers don't.
You need to find out what is the public (internet-facing) WAN IP address that your ISP has assigned to your router; it is not the 192.168.x.x (or 10.x.x.x) address given to your home computer by your home router. You can find that by going to http://checkip.dyndns.com on your home computer. Unless you pay extra for a static public IP address from your ISP, ISPs may (and do) change it periodically on you without warning. So vnc://123.45.67.89 may work one day but not the next.
Some routers have a built-in feature to work around this by allowing the router to advise dynamic DNS servers of any changes in the public-facing IP address of the router. Of course, you need to have established an account with a dynamic DNS provider so you have a host name (like lomberg.noip.com or lomberg.dyndns.com). These are generally free accounts unless you want a special name that doesn't have the dynamic DNS provider as part of your host name.
If your router does not have this capability, these dynamic DNS providers have a piece of software that you will need to install on your home computer (the "VNC server") that reports changes in your public-facing IP address to their DNS servers.
Once this is done, then from afar, you can ⌘k to vnc://lomberg.dyndns.com (or whatever you set up your host name to be with dyndns or equivalent outfit) and you don't need to worry about what your ISP has done to you with regards to your public-facing WAN IP address du jour.
Note that with some (most?) routers, when you are on your home network, you will not be able to vnc to the host name or numeric WAN IPA in this manner. I don't know why it doesn't work, it just doesn't. I've had modems both ways -- my current ISP rental modem doesn't while the previous one (which broke so I had to replace it with my current POS modem) did. So in such case, you have to vnc://192.168.x.x of the "vnc server" computer when you are on the same LAN.
You are aware that on the client (school) machine, screen sharing preferences can be set to encrypt all data on the connection, not just the username/password negotiation piece, right? I don't know whether that setting persists across sessions or only persists for the duration of the current session. I wouldn't want my client mouse/keyboard and "server" screen video to be transmitted in the clear; that's why I bring this up.
Does that answer your question? Or did I totally misunderstand what you were asking?

Screen Sharing not working on server

One of the (remote) servers I manage no longer allows me to share it's screen. The error I get says that screen sharing is disabled.
I attempted to fix it using kickstart, and while kickstart reported no errors, I'm still unable to share the screen.
For reference, this is the kickstart command I used:
sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -activate -configure -access -on -users admin -privs -all -restart -agent -menu
I've also noticed that there are extra interfaces enabled, that are definitely not there on my other servers. Not sure if it's related, but I thought it was worth pointing out.
Any ideas?

My Mini is running server headless and it works fine for Remote Desktop. Are you using ARD or standard Screen Sharing from OSX? Or a VNC client?
Take a look at:
http://technotes.twosmallcoins.com/?p=279
For some notes on how to start the VNC server from the SSH command line.
But, screen sharing should work for you.

Snow Leopard 10.6.1 broke my screen sharing

I have 4 Macs in our home with screen sharing enabled. I've used that function ever since it became available and it has worked flawlessly. All screen shared machines would show in a list in finder window.
I updated my main unit - a Mac Pro - to 10.6.1 when it was released. The others remained on 10.6.0 until this morning and now I see that Screen Sharing no longer works. No devices in the list - no connection resulting in a black screen.
Nothing.
Anybody with help?
Message was edited by: everettmarshall
Message was edited by: everettmarshall

UPDATE: First I should have confirmed that I had done all the standard hoop jumping that Apple CS would send a body through - make sure it's plugged in, turned it on, log out, log in, repair perms, disabled all the fonts and desk accessories in the Font/DA Mover, turn off Talking Moose...all that stuff. Nothing changed.
I just restarted my router and all appears to be back.
hehe...Kitty Fetus....
BTW: I only updated to 6.1 because I got an email that said if I did I would be entered in contest for a $10M prize from the Steve Jobs Foundation.

Screen sharing issue

MacBook Pro 17" OSX10.7.3
All of a sudden I'm unable to connect via Screen Sharing from my MacBook Pro to my iMac via wifi network. It was working just a day ago. Don't know of anything I've done to disable it. I checked my iMac and in prefs have screen sharing enabled. I did a repair permissions and still no go.

The tech at Apple had me zap the p-ram...
On which machine?

IChat Screen Sharing - I can share my screen, but Dad can't share his

Hi all,
Last week I used iChat screen sharing to help my Dad with his iMac, and although it froze and dropped out frequently, it was working.
This week, for some reason we can only share my screen, but not his. On both sides, the option to share his screen is disabled (greyed out). Also the Video > Screen Sharing Enabled menu item is also disabled on his Mac, but mine is enabled and turned on.
Both of us have Screen Sharing turned on in System Preferences > Sharing, and both have set to allow access to anyone.
He restarted his Mac a couple of times, but no luck.
Has anyone had the same problem, and is there a solution? Any idea why it would work last week but not this week?
Thanks in advance for any help you can offer.
Will.

Hi,
You can come back and change the marking of the answered or not so that is not a problem.
What it should help is stop other people joining in (an effectively loading you with email alerts when they do).
A good specific title like your should also help.
9:00 PM Tuesday; November 27, 2007

Screen Sharing Impossible!

hello guys, i've tried almost everything to get my ichat screen sharing working but unfortunately it's impossible..
I've already read thousands of topics talking about this issue and no one was able to help me. so i've decided to create my own topic.
I've tried:
ichat preferences, since Bandwidth Limit from None to 2 Mbps
Quicktime Streaming Preferences from Automatic to 1.5 MBPs
System Preferences > Sharing:
1) Screen Sharing enabled (only option selected at the time)
2) Internet Sharing disabled
Both Macs Running Leopard 10.5.7. I live in Italy and my mom and friends in Brazil.
My internet is 6035(Kbps) / 509(Kbps)
My modem is a D-link DSL-2640B with UPnP enabled. (I've also tried forwarding ports 5060, 5190, 5220, 5222, 5297, 5298, 5353, 5678, 5900 and 16384 through 16403)
My mother's internet is 1005(Kbps) / 300(Kbps)
My friend's internet is 13000(Kbps) / 1000(Kbps)
My mother was using a modem Parks Altavia 670R. This modem is quite old, and has no UPnP so, i thought it would be the problem and bought another modem.
So, now my friend and my mother are using a Thomson/Alcatel SpeedTouch 510 (V6) also with UPnP and they've also tried port forwarding as well as I mentioned before.
My friend is able to share his screen with his other friends and so am i with my other friends..
We've also tried:
Trash QuickTime preferences
Trash all iChat preferences
Change iChat's port to 443 and turn on SSL
Turn on All in Security System Preference
Set access for specific services and applications and select ichat.
Our macs are all intel macs and completely updated.
Don't know what else to do.
Please, someone hive me a hand!

Ok,
For a Long time (Since at least their Version 3 firmware) Thomson-Alcatel have done what is called SIP Binding.
This forces all SIP data to use port 5060 whether that is the port is using that one or not.
(There was an International Standard at one point that SIP would be on Ports 5060-5063 - one at a time if one was bus)
SIP (Session Initiation Protocol) is uses by VoIP phones and apps.
Apple decided iChat was a VoIP app and included SIP as the Connection Method behind the scenes.
Up to Version 4.2.7 of the Thomson-Alcatel firmware you could fully "unbind" the SIP from port 5060 as in practice the modems thought it should go to a Phone and not pass it to the computer.
The symptoms were intermittent success in Audio Only and Video Chats.
Out of 50 Buddies 10 would be successful all the time.
10 Buddies now and then Success
30 Buddies would be unsuccessful
In version 5, 6 and 7 of their Firmware the SIP Binding can only be partially Undone.
It moves the Split to 15:10:25 (a change from 1 in 5 to about 1 in 3 only)
More here
Having said all that the Screen Sharing can be a bit of a different problem aside from the Audio Only chat that goes with the Screen Share that could suffer form the above issue.
The ports in iChat 4 that the Screen Share actually happens on is a random port.
Consider it as two connections that happen at the same time.
The Screen Share and the Audio Chat
The Audio Chat remains on port 16402
If you can Video or Audio Only chat with this Buddy that is not where the Problem is.
The Screen Share part is on a random port. A range is not even listed By Apple in the Article. (This one does not even list the Jabber and Bonjour ports)
This means that you either have to start opening ranges of Ports in Port Forwarding or use UPnP which will open the ports from the application side (the application has control over what ports are opened)
Some D-Links do not have UPnP.
Those that do hide it away in the Set up pages in Tools in the top Menu and Misc in the side menu when Tools is opened.
It is Not On by default.
It should not be used with Port Forwarding (Virtual Server) or Port Triggering (Applications) as clashes can occur.
If you can not screen share with other people it is more likely to be your end - IF you can Audio chat to this Buddy.
7:24 PM Tuesday; July 7, 2009
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"

Screen Sharing not working from maverick macair to 10.6 mac mini

I'm not able to connect to mac mini (10.6.8) from mac book ait running Maverick.
Mac mini set-up is the following:
Screen Sharing enabled
Firewall disabled
Connection to the mac mini working from windows pc (VNC connection)
VNC connection enabled with password
Mac Book air situation is:
Sreen Sharing (client) 1.3.1
os 10.9.1
What happens:
from air it starts the connection
ther the air stais waiting: "Receiving first screen ..." messsage with no response from mini
if I check the console messages in mini there is a message about CGContextSetInterpolationQuality from AppleVNCServer that receives and invalid context
Can anybody help?

Hi, try this...
https://discussions.apple.com/thread/5468647?tstart=0
By Mad9000...
This is what worked for me:
1. Go to System Preferences > Sharing and uncheck Screen Sharing and File Sharing
2. Restart Mac
3. System Preferences > Sharing and recheck Screen Sharing and File Sharing
4. Problem solved (for me anyway)

Screen Sharing/network problem seems confined to 1 volume. What's the fix?

I am having a networking problem on one of the volumes of my multi-volumed, three-Mac local area network, and I need a networking guru to identify the specific software file(s), application(s), or system configuration that is the cause of the problem. I have already spent several hours checking and re-checking the various hardware and system preference settings involved, and I have narrowed the problem down to a software corruption issue and/or system configuration issue on one volume.
I now need someone to identify specifically what the nature of the problem is, and how to eliminate it. I am not looking for a sledgehammer solution that says I should re-install all of the Mac OS X software on the problem volume. That may be held in reserve as a last resort. I'm looking for a more elegant approach, one that points out the specific corrupt files to remove without disturbing everything else.
Here's some background to set the context. I have a MacBook Pro laptop; a PowerMac iMac G5; and a PowerMac G4 hooked up in a network. All are running Leopard 10.5.8. All have file sharing and screen sharing enabled. Besides being able to connect to each other using registered users, my goal here is for each of the Macs to be able to share the screen of the others upon my demand. Since each of the 3 Macs can theoretically share the screens of the other 2, that makes a total of six possible connections. Five succeed; one does not. That's the problem. I am trying to determine why the iMac G5 cannot share the screen of the MacBook Pro.
The iMac G5 has no problem sharing the screen of the PowerMac G4. That connection is fast and immediate. But, every time that I hit the Share Screen button on the iMac G5 to try to connect to the MacBook Pro, I get a window with the blue barber pole spinning for two or three minutes as it is allegedly "Connecting to Mac Book Pro," followed by a window with a headline telling me that "Connection Failed to MacBook Pro." The text within that window goes on to say: "Please make sure that Screen Sharing (in the Sharing section of System Preferences) is enabled on the computer to which you are attempting to connect. Also make sure that your network connection is working properly."
Well, as I indicated, the PowerMac G4 has no problem sharing the screen of the MacBook Pro, so the Screen Sharing settings on the laptop are correct; and the iMac G5 can share the screen of the PowerMac G4, so its network connection is working properly in that regard. It is only in regards to sharing the screen of the MacBook Pro that the iMac G5 is not working properly.
The reason why I say that the issue must be unique to the one volume in question, let's call it "iMacG5 Music," is that another Leopard volume on the same computer has no problem whatsoever in sharing the screen of the MacBook Pro. Whenever I boot up in that volume, let's call it "iMacG5 JMB," it makes a network connection with a registered user name immediately, and it is able to share the screen of the MacBook Pro within a second of my issuing the command. In sharp contrast to the success of the iMacG5 JMB volume, the iMacG5 Music is unacceptably slow (several minutes slow!) in making a network connection with the MacBook Pro, and it always fails to share the screen of the MacBook Pro, preferring instead to take about three minutes to attempt the connection, before announcing its failure.
Since the iMacG5 Music volume makes an immediate network connection to the PowerMac G4, as well as sharing the screen of the PowerMac G4 the moment I ask it to, I have concluded that the hardware of the iMac G5 is just fine. The problem seems confined to the system software and/or associated networking files that are unique to the iMacG5 Music volume. I just don't know what those files could be, or where the problem lies, so I've issued this call for help.
Let me add one more little twist to this puzzle which baffles me even more. I use external LaCie Firewire drives as clone backups of my Macs. As part of my trouble-shooting process, I booted up from the cloned versions of the iMacG5 JMB volume and the iMacG5 Music volume. What I learned surprised me!
The iMacG5 JMB clone worked just fine in making a fast network connection to the MacBook Pro, as well as sharing the screen of the MacBook Pro. I expected that. What I did not expect was that the iMacG5 Music clone was also able to make a fast network to the MacBook Pro, as well as share its screen!
Yes, that's right. It's weird! Screen sharing works OK when I start-up from the clone of the iMacG5 Music volume, but it does not succeed when I boot up on the source itself! I was surprised to find that out, but I'm glad I did.
(Over the past few days since I executed the last clone, I did use Drive Genius to de-frag the source volume, and maybe that has contributed to the problem I am now encountering. But it's hard to say, since nothing else seems to be amiss.)
One solution, I suppose, would be to sync the clone back to the source. But, before I do that, I'm just wondering if anyone has a clue as to the nature of this problem on the source volume and what I might do to remedy it—short of re-installing the system software or restoring from the clone. Anyone have any insight to this problem?

CORRECTION #2:
Ignore the previous "CORRECTION" post.
Oops, excuse me, I wrote that sentence correctly the first time.
I was trying to point out that the ability of the iMac G5 computer to connect quickly and effectively to the PowerMac G4 when booted up into the iMacG5 Music volume was an indication (to me, anyway) that there is nothing wrong with the computer's hardware, nor its network connection ability, but that the problem lay somewhere in the files/settings used to connect to the MacBook Pro, which it cannot accomplish.
This is what happens when I get engrossed in one of these technical morasses and it ***** me into its vortex all through the night... time for bed.

10.7.2 Breaks Screen Sharing Login

After updating to Lion 10.7.2 I receive a blank grey screen with no user login infomation when I access my MacBook Pro using TightVNC. 10.7.1 and prior releases worked correctly with user pictures painted onto the grey screen to allow login account selection.
I have stopped and started Screen Sharing multiple times with the same results.
Any suggestions?

Tight VNC Viewer runs on Windows 7 and is used to connect to PCs running VNC such as Mac OS X with Screen Sharing enabled. Tight VNC has never been installed on the Mac OS X box.
The only difference between when this worked and when it stopped working is the 10.7.2 update which seems to have broken VNC.

HELP: Problem accessing host Mac MSL Mini using "Screen Sharing"

I have screen sharing enabled on my mother-in-law's Mac Mini so I can access it with Chicken of the VNC.
There are 2 user accounts, one Admin and the other regular. The problem is that when Chicken Of the VNC connects and I choose one of the accounts and log-in the connection terminates and I have to close Chicken of the VNC and re-connect.
Is there something in Sharing/screen sharing that needs to be set so the connection will not terminate when switching account .

From Finder help on screen sharing...
-=-=-=-
If you can’t share computer screens
If you’re having problems sharing your screen with another computer, or sharing the screen of another computer, there are several things to check.
Here are things to try if you can’t share screens:
Make sure screen sharing is turned on and you have set up sharing permissions on the computer whose screen you want to share.
Sharing your screen with other computer users
If you’re trying to share the screen of another computer, open Sharing preferences on that computer and make sure you’re in the list of users who have been given permission to share that computer’s screen.
Make sure neither computer is in sleep mode. A computer can’t share its own screen or share the screen of another computer if it’s in sleep. Adjust the computer’s settings using Energy Saver preferences.
If you’re using Back to My Mac to share screens, make sure it’s turned on on both computers.
Sharing your computer’s screen using Back to My Mac
Make sure both computers are connected to the same network, or if you’re sharing screens using Back to my Mac, make sure they’re both connected to the Internet.

Screen Sharing - Can't Authenticate

Hi everyone,
I have screen sharing enabled on both my machines. My Macbook Pro is able to view my iMac screen but when I try to access my MacBook it prompts me for username and password and no matter what I put in, it says it cannot authenticate.
I created a user solely to test this feature and still says it can't authenticate - any suggestions?

I was able to fix this by reformatting my MBP and starting from scratch. Not sure what was causing this but that fixed it.

Screen sharing - enable/disable mouse

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