Why is scrolling in screen sharing so laggy under 10.9.3

Using a Mac mini running 10.9.3 as a TV computer, controlling it through Screen Sharing from my Macbook also running 10.9.3 over a WiFi network. Scrolling is just crazy in Screen Sharing - incredibly laggy, with what looks like tons of unnecessary inertia. What's going on? I've tried the fixes like "always show scrollbars" and setting the computer to never go to sleep, with no effect. I'm laying this squarely at Apple's feet for now.

Open the Library folder in your home folder by holding down the option key and selecting
          Go ▹ Library
from the Finder menu bar. Navigate in the usual way to each of the following items and move it to the Trash:
          Application Support/NotificationCenter
          Caches/com.apple.Safari/RemoteNotifications
          Caches/SafariNotificationAgent
          Safari/RemoteNotifications/Permissions.plist
Log out or restart the computer. Test.

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Screen sharing without permission under mavericks?

Googling didn't give me a decisive answer, and I expect the answer is "you can't", but thought I'd ask here to save others the trouble. The question: How can I set up screen sharing on my home network so that I don't have to go downstairs or upstairs an accept the screen sharing request every time I want to share a screen on another machine on my home network?

Found the solution. Go ahead and choose The Log In option. You will get a new session on the remote Mac. Now, choose Log Out from the Apple menu and then login with the user credentials on the Mac (the Remote Mac's user credentials). You will then get the session that exists for that logged in user.
I work in an active directory domain environment (my work iMac is on the domain and I log in with an AD account), this works for me (after establishing a VPN).
It is a little trouble to always have to choose Log Out, but a much cheaper solution than Apple's Remote Desktop software.

Trouble with Screen Sharing

I am having trouble getting screen sharing to work. Video/audio chat works fine without incident. When I attempt to start a screen sharing session I get the error: "Failed to start Screen Sharing because: Screen sharing could not be established."
Screen sharing is enabled under the "Sharing" System Preferences section.
Below is the errors that were logged to the console:
4/3/08 8:50:37 PM iChat[141] Detected bandwidth (kbits/s): 249 up, 249 down. (00000000)
4/3/08 8:50:37 PM iChat[141] No iChat delegate set for vcc:initiateConferenceCompletedForParty: 4/3/08 8:50:34 PM [0x0-0x15015].com.apple.iChat[141] CSSM_DecryptData: CSSMERRCSP_OPERATION_AUTHDENIED
Any help would be greatly appreciated!

And in iChat's Video menu Screen Sharing is active ?
Also are the ports for iChat open in any modem or router ?
1:30 PM Saturday; April 5, 2008

Why do I need to start up Screen Sharing twice to get it to work ?

I have an Intel Mac Mini connected to my TV, so I started using Screen Sharing from my MacBook Pro to be able to work on it when others were watching TV.
Both Macs used to have OSX 10.5 Leopard, and everything worked fine.
Now they both have OSX 10.6 Snow Leopard, and whenever I startup Screen Sharing, the connection-windows asking for my Name & Password comes up properly, but then it hangs... it stays in "Connecting..." for ever (litteraly).
I'm not able to quit or force-quit the connection-window by then, so it stays in view...
(Screen Sharing isn't even listed in the force-quit list as a running app)
but...
when I just try Screen Sharing again, I get connection immediately and it seems to work flawlessly...
...it's just that the connection-window is impossible to quit...
it stays in view an is really annoying...
this looks really crappy...
can anyone tell me why I do need to startup Screen Sharing twice to get it to work ?
Is this a bug ?
(If so : please apple fix this a.s.a.p.)
...or am I doing something wrong ?
(if so : what am I doing wrong ? and how can I get rid of this annoying screen ?)
Thank you for your kind reply.
Toon.B

it's October and this really annoying problem still exists !
the unnamed screensharing-loginwindow keeps "Connecting...", and I'm unable to shut it down...
...even after my screen sharing session is over
...even force-quitting is impossible (this 'app' just isn't showing up in the force-quit-window...)
please Apple - fix this ; under 10.5 it was working great !
Does anyone have any idea how to fix this ?
(besides restarting my Mac)
Thanks !
Toon.B

Why does my login screen when scrolling mouse over appear pixalated (has small squares wherver the mouse scrolls until the entire page has been scratched like a lotto ticket:) ?

Why does my login screen when scrolling mouse over appear pixalated (has small squares wherver the mouse scrolls until the entire page has been scratched like a lotto ticket:) ?

OS X Lion: Login window partially appears, cursor movement redraws screen

Screen Sharing scrolling, can the auto-pan feature be turned off?

I am using screen sharing from home on my MacBook Pro to connect to my Mac Pro at work and it performs really well in all respects but one. My Mac Pro has dual monitors, so Screen Sharing running on my MacBook Pro gives me the option of either scaling the larger screen down, which is not readable, or being able to scroll around the larger screen of my work machine. The problem is that Screen Sharing has the automatic pan feature so that if my mouse moves to the edge of the window showing the shared screen then it starts scrolling it. This is nice the first time you see it but quickly becomes annoying because every random mouse movement that takes me to the edge of the window, like moving the mouse out of that window to go the the dock or the menu of my MacBook Pro, starts scrolling the screen when I did not want it to. I find myself constantly re-centering the view of the shared screen in the window back to the position I want it in and I find this to be a very anti-productive waste of time. I would like the auto-pan feature disabled so that it will only scroll when I grab a scroll bar and move it. Is it possible to do this?

Hey all,
I'm having the exact same problem with a Toshiba Satellite P300 here. The multimedia button seems so sensitive that the laptop will turn on by itself after a while. I haven't been able to find a program to disable it. Has anyone found a solution to this? If you do, please send me an email at [email protected] (remove the nospam) so I can fix it once and for all.
Thanks,
Dre

I'm getting an unknown communication error during my chat to initiate AIM screen sharing. Any clues as to why? Here's the comm log...

I'm getting an unknown communication error during my chat to initiate AIM screen sharing. Any clues as to why? Here's the comm log...
I don't usually have problems reaching and doing IT for my family. Is weird.
Date/Time: 2015-04-12 11:46:01 -0400
OS Version: 10.10.2 (Build 14C1514)
Report Version: 4
Messages Connection Log:
2015-04-12 11:45:33 -0400: 0x7ffb826cc310: State change from No State to Invited.
2015-04-12 11:45:45 -0400: 0x7ffb826cc310: State change from Invited to Connecting.
2015-04-12 11:45:58 -0400: 0x7ffb826cc310: State change from Connecting to Ended.
2015-04-12 11:45:58 -0400: 0x7ffb826cc310: Error -1 (An unknown error occurred.)
Video Conference Error Report:
Video Conference Support Report:
7.728039 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:1973 type=2 (00000000/0)
[Connection Data for call id: 1 returns 1
18.955646 @/SourceCache/VideoConference/VideoConference-473/VCChannel/VCChannel.m:303 type=2 (00000000/0)
[VCChannel prepareConnectionWithRemoteConnectionData - remote VCConnectionData: 1]
18.964195 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:1988 type=2 (00000000/0)
[Prepare Connection With Remote Data - remote VCConnectionData: 1, local VCConnectionData: 1
18.966613 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2180 type=2 (00000000/0)
[Initiate Conference To User: 1002 with Remote VCConnectionData: 1 with Local Connection Data: 1 conferenceSettings: 1]
25.205927 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:1973 type=2 (00000000/0)
[Connection Data for call id: 3 returns 1
31.603943 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:1988 type=2 (00000000/0)
[Prepare Connection With Remote Data - remote VCConnectionData: 1, local VCConnectionData: 1
31.604365 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2180 type=2 (00000000/0)
[Initiate Conference To User: 1002 with Remote VCConnectionData: 1 with Local Connection Data: 1 conferenceSettings: 1]
Video Conference User Report:
0.000000 @:0 type=5 (00000000/16402)
[Local SIP port]
18.964411 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2085 type=5 (00000000/0)
[Remote Router]
[BAD TEST]
18.964419 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2087 type=5 (00000000/0)
[Remote CommNAT Result: 0x00000001
18.966640 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VideoConferenceGlobalObjects.m:1679 type=5 (00000000/0)
[Router]
[FULLCONE]
18.966648 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VideoConferenceGlobalObjects.m:1681 type=5 (00000000/0)
[CommNAT Result: 0x00000102
31.604133 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2085 type=5 (00000000/0)
[Remote Router]
[BAD TEST]
31.604144 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VCInitiateConference.m:2087 type=5 (00000000/0)
[Remote CommNAT Result: 0x00000001
31.604370 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VideoConferenceGlobalObjects.m:1679 type=5 (00000000/0)
[Router]
[FULLCONE]
31.604379 @/SourceCache/VideoConference/VideoConference-473/Video Conference/VideoConferenceGlobalObjects.m:1681 type=5 (00000000/0)
[CommNAT Result: 0x00000102

Hi
Ah a homehub.
Set the Quicktime streaming setting, goto sys prefs/quicktime/streaming/streaming speed, set to 1.5mbps(
In ichats prefs click on video and change bandwidth limit to NONE.
Goto sys prefs/security/firewall and check "set access for specific........" and click the + at the bottom and add ichat to the list.
Restart ichat.
Also try connecting to me dfcom1 .mac account.
Tony

Why does Screen Sharing between Macs no longer work?

Just recently many of my Mac computers have stopped Screen Sharing with each other. I cannot think of any reason why this would begin happening. These computers are 'system critical' computers so I haven't updated to Mavericks yet. One is an iMac running OS X 10.8 and the other is a Mac Mini running 10.7. Any clues?

This could be something as simple as a bad Router Port. Try switching the Ethernet cable on one of the effected Macs to a port that you know is working. When I was running computer labs, bad ports were a commmon issue. If that doen't work we will move on to other possible solutions.

Why can't I connect to my Mac Mini via Finder (but I CAN via screen sharing)?

My problem concerns a quad-core 2.0 GHz Mac Mini Server (mid 2011, I think) with SSD and 3 external hard drives. It's (a) my desktop workstation (b) our Time Machine backup repository (c) iTunes server and (d) Printopia server for our iDevices. That's it. The only thing I use the server app for, really, is Time Machine.
So recently we lost power a couple of times. As always, I ran Disk Utility, repaired permissions and verified the main disk. All appeared well.
But all is assuredly not well. Now, none of my other Macs can (a) find the Time Machine backup volume or (b) connect to the server at all. Whenever I try either thing, I receive the message below:
The network is in flawless shape otherwise. My router is the latest generation Airport Extreme Base Station. The server has a static IP, and I CAN connect to it from my other Macs by clicking Finder, then Go, then entering the IP address -- but ONLY if I use an smb:// prefix!
Moreover, even when I'm connected in this way, I STILL get the message whenever I try to connect by merely clicking the name on the finder sidebar -- or whenever I try to access the machine using Time Machine preferences. Weirder still, I CANNOT connect to the ip address via afp.
Final piece of weirdness: I can also connect to this machine from any other Mac via screen sharing. So please....
WHAT'S MY PROBLEM AND HOW CAN I FIX IT? I've wracked my brains, combed through forums and can find nobody else with this problem, let alone a solution.The problem persists when I shut down the server app.
I'm assuming that either something is corrupted or some setting is afoul, but can't figure out what it might me,
I'm just about at the point of reformatting my main drive and reinstalling Mountain Lion, but am hoping someone can spare me that pain.
THANK YOU so much!
Arthur P. Johnson
P.S. I have no problem at all with outbound connections from this bewitched Mini. Just inbound.
P.P.S I will, of course, be happy to provide shots of any other settings you may desire,

For some reason, the error box photo didn't appear in my post. Here it is:

Why doesn't Screen Sharing work across multiple displays anymore in Mavericks?

Hey Guys,
I'm having a problem with Screen Sharing in Mavericks. It wasn't a problem in Mountain Lion, so I'm wondering if you could help me.
I use a Mac Pro with multiple displays to connect to another Mac Pro with multiple displays. Here's how it looks at first:
Two remote desktops shown in one window on one display locally. (Note: there are two different displays connected to this Mac Pro.)
In Mountain Lion, I used to be able to scale this up across displays. When I do that now, the remote desktop scales down to the lower-left corner. Observe:
When I mouse over it, there's some screen tearing (artifacts):
Any ideas?
Notes:
Yes, I've Google'd it.
I don't have Mavericks' multi-display support enabled. I disabled it to spread out Avid Media Composer and Adobe After Effects usage.
Thank you,
Isaac T.

(bump)

Why is very long (about 30 seconds) to connect another distant computer using Screen Sharing under Yosemite ?

Hello,
Before Yosemite (under Mavericks and less), it was possible to connect immediately another distant computer (over internet) with Screen Sharing (using Command-K or on Finder Menu-Go and submenu Connect To The Server, and putting the address like vnc://name:password@address
Under Yosemite, it is possible to do the same things, but it takes about 30 seconds to get connection (is it the evolution of the celerity of the computing ?). And also, I have 2 windows during the waiting of connection : one is with icon of ScreenSharingApplication and 'Connecting to …com', and the second one is with icon of a BlueHardDiskwith3people and 'Connecting…'.
Under Yosemite, if I use Chicken of the VNC or JellysFastVNC, the connection is immediately.
Could you tell me how is it possible to have under Yosemite a quick connection (about 0 to 5 seconds) with a distant computer (over internet) using Screen Sharing (command-K for example) ?
Thanks.

William,
Eventually (after about 30 hours or so) it finished the encryption. I then forced TM do a backup to the external HDD (after adding a 1GB file to my internal HDD) just to measure how long it would take for TM to run a backup to the external disk -- and it was very fast. Looks like everything is working fine now.
Without your advice that 24+ hours wasn't unreasonable time for a first encryption of a drive that size, I probably would have kept restarting my iMac and repartioning the external HDD and gone around in circles.
Thank you very much.

Why is Messages screen sharing icon grayed out?

Trying to do remote screen sharing with my mom's Mac using the new feature in Yosemite.
If you're not familiar with it, the new method does not require AIM, Jabber, etc and is independent of screen sharing settings in System Preferences (per Messages Help).
The procedure is:
In the main Messages window, select the name of the person you want to share with or, if you haven't previously exchanged messages, do so now.
Click 'details' on the right of the top bar of the main window.
In the menu that pops up, there are three icons: screen sharing, video chat, and audio chat/phone call. Click the screen sharing icon and send a request.
Today, my mom signed into her Messages account and we successfully exchanged iMessage messages (not SMS).
When I clicked 'details' the screen sharing and phone call icons were grayed out (or, more accurately, 'blued out' - they were a fainter shade of blue).
I clicked another name in the Conversations list and then clicked back to my mom's name. When I clicked 'details' this time, the screen sharing icon was no longer grayed out, so I sent a request to share her screen. She didn't receive the request, so I canceled it.
When I clicked on 'Details' again, the screen sharing icon was grayed out again. As far as I know, nothing had changed on my mom's end.
What could cause the screen sharing icon to be grayed out? And what could cause it to toggle back and forth between grayed out and normal?
Both computers are running the latest version of Yosemite, 10.10.3. Mine is a 2009 Mac Pro 8-core with 16 GB RAM, hers is a MacBook Pro from around 2012 or 2013.
Thanks!
Bob

Hi,
(He did say that he'd heard that due to changes in Google's system that their accounts no longer work with Messages.)
What he has heard and what are true are two different things
Logged in Google account
There are issues with Messages using SSL to login to the Google Talk server and Google saying SSL is Less Secure (there is a setting to Enable Less Secure apps like Mail that also uses SSL and Messages).
Some people find that 2 step Verification cannot be set at Google's Account settings if your want to use the Less Secure Apps setting.
1. I deleted my AIM account from Messages and had my mom do the same. The result is that we each only have two items in the Accounts window of Messages: an iMessage account (signed in with our Apple IDs) and a Bonjour account.
2. Clicking on the Details menu, the screen sharing icon was available for both of us. It was not grayed out.
This is using two different Methods of Screen Sharing in Messages (It is silly it has two but there we go)
For AIM use the Buddy List and the icons at the bottom or highlight the Buddy and use the Buddies Menu
DO NOT USE the Details option.
For iMessages start text chat then use the Detail Option an NOT THE BUDDIES Menu.
For the iMessages Method you have to Enable System Preferences > Sharing > Screen Sharing to allow the App to be Invoked.
(It is like FaceTime is invoked but only works to Macs)
As you mention the Connection Doctor only refers to the older "iChat Method for Aim and Jabber and Bonjour - if you can Video you should be able to Screen Share with that method.
9:49 pm Wednesday; April 29, 2015
 iMac 2.5Ghz i5 2011 (Mavericks 10.9)
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb (Snow Leopard 10.6.8)
 Mac OS X (10.6.8),
 Couple of iPhones and an iPad

Why is screen sharing from ML to Lion wacky?

Things are really weird. When I use my MBP retina to control a high-res (1680x1050) MBP (mid-2010), the screen sharing screen doesn't fit properly, and I can't click on the remote system menu. If my MBP retina is connected to a 27" LED Cinema display (as sole display) to control the same high-res MBP, the remote MBP appears small in a corner of the screen sharing window, and I can't click on the remote system menu.
Basically, screen sharing is unusable. Any ideas on how to fix this?

I'm having the same problem.
Macbook Pro: OSX 10.9.1 / Remote Desktop Client 3.7.1 with remote login and screen sharing turned on
Mac Pro: OSX 10.9.1 / Remote Desktop Client 3.7.1 with remote login and screen sharing turned on
I am able to create access via mac pro to laptop and visa versa on the finder level and access all of my files but the screen sharing still will not work. Even when I'm logged in successfully on the finder level, the screen share still does not recognize the password and gives the error: "Authentication failed to "xxxx". Please verify you have entered the correct name and password".
I would expect that if it were a network issue, that I wouldn't be able to connect at all and it wouldn't be denying access based on an "incorrect" user or password.
Wish this could get fixed. I used it quite often prior to the Mavericks install.

Headless Mac Mini & Screen Sharing Latency

I've seen serveral topics wthin the forums and others online. I've seen physical fixes with the hacked VGA connector. I'm going nuts here, because it appears the issue is software related.
All my machines are Maverick with the exception of my Pro, so this happens on all of them. My mini is headless sitting right in front of me, and is networked both hardwire and WiFi. SSH is not laggy, load is minimal when doing so, however when I login via screen sharing it it laggy, taking a lot of time just to navigate the system.
Question, does or has anyone found a fix for this that does not require me being a MacGyver?

My understanding of the issue (and one I believe to be correct) is that when the Mac is truely headless i.e. with no display connected at all then the Mac will turn off the video chip. It then uses the main CPU and software to 'emulate' a display. This is both itself slower than when using the video chip and also takes away performance from other CPU processes. Hence you get a laggy response doing screensharing compared to screensharing when a display is connected.
This is why a past solution that you mention yourself is to make a hacked together VGA adapter to trick the Mac in to thinking a VGA monitor is connected. This by tricking the Mac into thinking there is a display attached means the Mac turns on the video chip and uses it for creating a display for screensharing.
If you have a 'KVM' (Keyboard, Video, Mouse) switchbox with a single display attached to that, then even when it is switched to a display on a different computer the KVM spoofs the presense of the display to the attached computers so they still think the display is connected and hence avoid the problem.
Another approach for DVI or HDMI displays (similar to the VGA trick) is to use a Gefen DVI Detective Plus or HDMI Detective Plus. With these you initially have the display connected, have the Detective Plus 'learn' the signal from the display and thereafter even if the display is turned off or disconnected it keeps sending the signal to the Mac and therefore keeps the video chip active.
See http://www.gefen.com/kvm/ext-dvi-edidp.jsp?prod_id=4715
See http://www.gefen.com/kvm/ext-hdmi-edidp.jsp?prod_id=8005

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).

Why is scrolling in screen sharing so laggy under 10.9.3

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