Screen Sharing Troubles

I have been attempting to use the screen sharing through iChat. When I "ask to share screen" with my buddy, he will see the invitation and accept. We will both see the screen sharing starting window, but it seems to hang there. I never get his screen. If he selects "share screen" with me from his Buddy list it works fine. If he asks to share my screen and I accept it works fine for him as well.
Any ideas as to why when I ask for his screen and he accepts that I end up in with never changing "screen sharing starting" window?
Thanks

When you select / accept to share your own screen with your contact, your screen stays the same. (a red screen sharing icon will blink in the menu bar)
When you select / accept to share your contact's screen, your own desktop will reduce to a small box in the corner, at that moment you have your friends desktop in front of you.
You don't exchange screens, you both have the same desktop.
Try to use a different desktop picture, it is less confusing.

Similar Messages

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

Trouble Screen Sharing

I have often used the iChat screen sharing service over the internet to help my parents troubleshoot computer issues at long distance. Lately the trouble is that while my father, within his user profile, is able to initiate screen shares, my mother, within her user profile, can only ask to share my screen -- she does not have the option of inviting me to share her screen.
What is the problem here? What must I do to restore my mother's ability to share her screen with me?
What is the solution?
We both have iMacs running 10.8.2 Mountain Lion.
Thank you for any insights.
Mark

HI,
The poster says "some Preferences" which would be .plists files.
However he is also reporting on what his parent did and what the Genius at the Store did for them. (i.e. it is second hand information).
Most likely it was com.apple.ichat.plist or com.apple.imagent.plist
The IMagent one holds the info about whether the Mic and camera are turned on in Messages > Video Menu.
The ichat.plist one hold just about everything else except for account info (they are held in the various *ichat.AIM.plist, the Jabber one the Yahoo and the Subnet one (for Bonjour)).
There others that hold the Recents Items (See File Menu) lists and the Status Messages that you save.
Separate from that are the iMessages ones.
As iMessages does not Video it therefore cannot Screen Share so the details about it being On or Off will not be held there.
Both the .plists will be held in ~/Library/Preferences
Copy this and Paste in to the Dialogue box that appears in Finder > Go Menu > Go to Folder
8:47 pm Saturday; November 9, 2013
 iMac 2.5Ghz 5i 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

Trouble with screen sharing since upgrading to Mavericks

I'm no longer able to connect to my Mac at home from my Mac at work unless someone is there to wake it up. It shows up in the shared listing on the left side of my Finder window so I know it sees it. I get a "Connection Failed" warning.
I have made sure that Screen Sharing is selected and that I have selected "Wake for network access" on the Energy Saver system preferences. Computer sleep is set to "never". I have also set it to start or wake at 8am every day to ensure that it is running each day by the time I get to work. Both Macs are running Mavericks.
I didn't have this problem with 10.8 and nothing else has changed that I know of. If someone is home and I call them and tell them to wake up my Mac it works fine, for a while. For a couple of hours I can connect to it but then it disconnects in the middle of using it and I can't connect to it again.
And regular ol' "Connect As" no longer works either ... unless someone is at home to wake it up. I get a "probelm connecting to the server" warning
Thoughts or suggestions?

I'm no longer able to connect to my Mac at home from my Mac at work unless someone is there to wake it up. It shows up in the shared listing on the left side of my Finder window so I know it sees it. I get a "Connection Failed" warning.
I have made sure that Screen Sharing is selected and that I have selected "Wake for network access" on the Energy Saver system preferences. Computer sleep is set to "never". I have also set it to start or wake at 8am every day to ensure that it is running each day by the time I get to work. Both Macs are running Mavericks.
I didn't have this problem with 10.8 and nothing else has changed that I know of. If someone is home and I call them and tell them to wake up my Mac it works fine, for a while. For a couple of hours I can connect to it but then it disconnects in the middle of using it and I can't connect to it again.
And regular ol' "Connect As" no longer works either ... unless someone is at home to wake it up. I get a "probelm connecting to the server" warning
Thoughts or suggestions?

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.

Back to my mac screen sharing no longer works since Mountain Lion release, even on Lion

I've used screen sharing via iCloud and back to my mac between a 2007 macbook and a 2010 imac. Both computers are still on Lion but screen sharing stopped working when Mountain Lion was released. I've read a number of comments on this forum that people were having trouble since upgrading to Mountain Lion, but I don't think that's the problem b/c I haven't upgraded either machine. I think the problem is something Apple did in preparation for the Mountain Lion release date and it seems to have damaged screen sharing functionality. Anybody else experiencing this or have a fix for it.
As for the specifics, I can still see my "other" machine under shared and can click "share screen," it usually searches for a couple minutes, then pops up the password dialogue box, but then searches for a while and eventually the password box closes, "screen sharing" stays open, but there are no windows associated with it.

I have the same problem, just today (although I'm still running 10.6.8). Every morning I turn on my main Logic mac then fire up my 2 slave macs, connect to them, activate Screen Sharing, and get going.
This morning I tried it, connected to the other macs as usual (I can see/access/alter their hard drives from my main mac) but when I click "Share Screen" I just get the "connecting" dialog box & it just keeps going.
The weird thing is, when I put my laptop into the network via wifi, I can screenshare my main mac's screen (all 3 of them, actually!) but not my 2 slave macs that are ethernet'd to the main mac.
I've tried every solution I could find via google, and nothing is working.
Kirby

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

After Lion install screen sharing won't accept my password

I just updated my *headless* mac-mini to 10.7. As soon as it rebooted
Since updating to OS 10.7 on my Mac Mini, I have been unable to log in via Screen Sharing (using my 10.7 installed Mac Pro). I continually receive the error "Authenticaion failed to 'MacMini'. Please verify you have entered the correct name and password." The name and password are correct, and the mac-mini lets me "Connect As ..." with the username and password. Only the Screen Sharing application fails to authenticate. I had no troubles an hour ago when it had Snow Leopard installed.
Any solution before I have to travel to this mini?
Thanks,
Jim

My family has multiple Macs at home and I also help a friend at a remote location. What is weird, is I was able to do screen sharing with the Mac at the remote location and a couple at home, but was not able to get screen sharing to work on the majority of our Macs at home. Rebooting did not help. Deleting my user login and corresponding home folder (then rebooting) and recreating a new user under the same login name that was deleted did not help. Repairing permissions in Disk Utility did not help. I did not try creating a user under a totally different login name and setting up screen sharing to share with that user name. I was going to try that this morning. However, on another thread, someone offered another thing to try. I tried it and it worked.
This is what eventually worked for me... This work around seems to expose that there is definitely a bug:
https://discussions.apple.com/message/15812668#15812668
Quote from andifor:
"Full name and account name on my computers are also the same.
But I did some deviation last time I tried. I changed my name on the connection dialog. I changed the name from "user" to "uSer" (changed one letter to capital) and it did work!
So if you login name is "peter", change it to "pEter" or "peTer", just on the login screen.
Looks more and more like a bug and only Apple can help. Does anybody know, if they are monitoring these discussions or is there a possibility to log some bug report?"

Screen Sharing: Authentication Failed

Since updating to OS 10.7 on my Mac Mini, I have been unable to log in via Screen Sharing (using my 10.7-installed Macbook). I continually receive the error "Authenticaion failed to 'MacMini'. Please verify you have entered the correct name and password." The name and password are correct, and I can log into the computer as an administrator via the Finder to access its files without issue. Only the Screen Sharing application fails to authenticate. I had no troubles literally an hour ago using Snow Leopard.
Thoughts?

After restarting both computers a few times, I can now no longer connect via normal File Sharing -- it will connect as a guest just fine, but when I try to connect as a user, it stalls out. It sounds like the problem in this thread:
https://discussions.apple.com/message/15676665

Cannot get screen sharing to work long distance...

I set up an AIM account for my mother-in-law so that I could remote screen-share her MacBook and help her with learning how to use it and trouble shoot it (it's a Late 2008 Aluminum MacBook hand-me-down from my wife).
I've set up the account, but cannot get remote screen sharing working. Screen sharing works fine over bonjour, but no go over the internet using AIM. I can control my wife's MBA from my iMac and vice-versa, but neither of us can control her MacBook. When we choose "Ask to share users screen...", we get the pop up window stating "Waiting for response from user", along with the spinning gear icon. If she chooses "Share my screen with...", the pop up window appears on our Macs and we're able to choose accept. But then the pop up window switches to "User would like you to share his or her screen" and just sits there. Nothing happens. On her screen, she gets the message "waiting for response from user" and nothing else happens.
After a long wait, my screen will say, "There was a communication error during your chat. Messages didn't receive a response from..." and gives me the option to report the details to Apple.
What am I doing wrong?
Her MacBook is running Mavericks, as are our machines.
Message was edited by: pmpknetr21
Message was edited by: pmpknetr21

Hi,
@mac.com and @me.com ID works as AIM Screen Names (you add them like they are and existing name) but only if you are using Messages 7 or 8 plus later versions of iChat 6 in Lion.
You should be able to use the Apple Issued IDs in Mavericks.
If you using an AIM Registered name try using it without the @AIM.com or @AOL.com suffix (User Name only)
As AIM can "read" the Apple Database it will think the Apple IDs exist already but may not tell you that is the reason you can't re-register them.
Can you post the info being sent to Apple here ?
However stop the log after about 10 lines of the Binary Images (I will not need it all).
9:28 pm Sunday; August 3, 2014
 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

Screen sharing doesn't work without a gateway

I'm back from a short trip and find that my gateway died in the meantime.
I have a LAN with quite a few Macs, some of them being Mac minis used as servers with no attached screens.
I can't use screen sharing anymore on my LAN to control any Mac that has not been set up to use my failover gateway. Only the Macs whose network set up has been changed to fully use the failover gateway can be controled. Unfortunately, this gateway and has limitations not allowing me to use it with every Mac/iPad etc. here. If I set up a Mac to use the failover gateway, but with no internet access allowed, that Mac remains uncontrolable with screen sharing.
So I'd like someone more experienced to answer these questions:
- How is it that an operational gateway with a working internet access is mandatory for LAN screen sharing ?
- Are authentication services responsible for the troubles here ?
Help would be greatly appreciated,
JM

While I understand the terms, I do not yet fully understand what your IP network looks like.
By "usual gateway", are you referring to a hardware device — commonly called a "gateway router" — that's been replaced here, or to the IP gateway settings present within most (all?) hosts on an IP network?
IP needs a gateway for traffic outside of the subnet. That commonly includes DNS traffic, either from the DNS server(s) on your LAN, or for IP hosts that are communicating more directly. This can also include determining the source of in-bound IP traffic, as that involves DNS translations.
Swapping gateway routers can also sometimes require flushing the ARP caches, depending on what hardware and software is involved. (Normally the new device will broadcast that on the LAN and thus update the caches, but sometimes things get a little wonky.) This if it's at the same address. If it's at different addresses, then the DHCP server, DHCP clients and static-addressed hosts all need to be updated.
In general (and because I'm not certain of your configuration), I prefer to avoid using Macs as IP routers, as they're expensive for and comparatively clumsy at that task. I prefer to use dedicated devices for that, and often preferanly including an embedded VPN server as I'd mentioned earlier.
Again, I'm not clear about your configuration, so the above might not address your question.

Unsolvable Screen Sharing Authentication Error

Here's my scenario...
I have three Core2Duo iMacs (Let's call them "A" "B" and "C") on a local appletalk network all communicating fine in all directions via an Airport Extreme base station.
When it comes to logging into each machine via file sharing, I have no trouble accessing any machine from any other machine.
HOWEVER,
When I attempt screen sharing over the network, this is my result.
Computer "A" can access the screens of "B" and "C",
Computer "B" can access the screens of "A" and "C",
Computer "C" can access the screen of "B" but not "A"
When I attempt to log into Screen sharing from "C" to "A", I get the following error message:
*+Authentication failed to "NameofComputer"+*
*+Please verify you have entered the correct name and password.+*
I have turned screen sharing on/off, restarted, etc, but it doesn't fix that one issue.
Now, to add to the strangeness, when I access computer "A" via computer "B" through file sharing, I can see all of my drives, including an externally connected hard drive that I use for storage.
BUT, when I connect from "C" to "A" via file sharing, all of my user areas and native partitions show up, but the External drive does NOT.
Does anyone have any suggestions other than archiving and reinstalling Leopard? AND, any idea which system even has the problem? The authentication error responds so quickly that I somewhat think that authentication is not even being attempted from "C" to "A".
Any help is REALLY appreciated!
Thanks,
Chris

Here's just a bit more info. I created a new user on the computer that I noted as "C" and under the new user area I was able to connect to computer "A"; however, when I switch back to the original user, it still will not connect, so now I know that the problem lies somewhere in "C".
I deleted my screen sharing prefs, but that made no change.
I have verified that the sharing and network settings are consistent across all three machines.
Could there be another preference file I should attempt to delete to see if I have a corrupted preference?
Thanks again,
Chris

Screen sharing clipboard transfers working for anyone?

greetings,
i use screen sharing on a number of macs, which i find enormously helpful... 2 MBPros w/ 10.5.6, 1 G5 w/ 10.5.5, 1 Powerbook w/ 10.4.11...
i've never gotten the clipboard transfers to work on any of these macs with any combination... does it work for anyone else? is there some kind of option to enable it?
thanks-

I was having trouble with this until I had an "Ahh!" moment... I expected that when you select 'Send Clipboard' or 'Get Clipboard' that Screen Sharing would paste the other computer's clipboard contents. It never seemed to 'appear' where my cursor was. Once I realized that I needed to actually 'paste' the clipboard after the transfer, it works like a charm (although it still feels like an extra step to me).
Just a thought.

Screen Sharing With Windows XP

I'm having a bit of trouble getting the screen of a Windows XP computer to show up on my Mac, using OS X's Screen Sharing feature.
First I launch the Screen Sharing app, found at: Macintosh HD > System > Library > CoreServices > Screen Sharing.app
A window pops up that says "Connect to Shared Computer" and prompts me to enter the "Host:". I type in the Window XP computer's IP address "192.168.0.15"
A new window pops up that says "Enter your password to share the screen of 192.168.0.15". I type in the password required to log into that Windows XP computer and click Connect.
A little progress indicator spins, saying "Connecting..." and then... "Connection failed to 192.168.0.15". "Make sure that Screen Sharing is enabled on the computer to which you are attempting to connect"
I'm running UltraVNC Server on my Windows XP computer. What am I doing wrong?
Message was edited by: Reuben Feffer

I do not know anything about UltraVNC, but traditionally, the VNC password is a separate password that is set as part of the VNC server configuration. It is generally NOT the user account password.
There is a Microsoft Remote Desktop Client available if you would prefer:
<http://www.microsoft.com/mac/products/remote-desktop/default.mspx>
As well as CoRD
<http://www.versiontracker.com/dyn/moreinfo/macosx/30808>
There are also other VNC clients for Mac OS X
Chicken of the VNC (free)
<http://www.versiontracker.com/dyn/moreinfo/macosx/14099>
JollysFastVNC (shareware)
<http://www.versiontracker.com/dyn/moreinfo/macosx/33113>

Screen Sharing debug

I was wondering if there is a log file for screen sharing, or how I can enable debugging?
I am trying to connect using a VNC client, this works on my internal netowrk but I cannot get access from outside despite adding the correct port forwarding rules. I have tested this with a Windows based VNC server on my network so can confirm it is not an issue with the router.
When I connect from outside I get the password prompt, enter tha password, the connection starts to negotiate (momentary blue VNC display) and then the connection drops. Being able to enable logging would probable help me resolve this in a matter of minutes.
I could just install a clean VNC server on the Mac but don't really want to do that seeing as there is already one built-in.
Thanks,

I too am having this problem recently... I switched from Static IPs to DHCP at the house... I noticed it starting then, but we also had a bunch of machines move, and added machines to the network, AND upgraded some machines to newer operating systems... so... I'm having trouble isolating the issue.
I get the EXACT same bug as you! But I also got this:
4/16/10 11:09:48 AM [0x0-0x2f02f].com.apple.ScreenSharing[383] Screen Sharing: OpenScripting.framework - scripting addition "/Library/ScriptingAdditions/Adobe Unit Types.osax" declares no loadable handlers.
So I moved both of those files mentioned above... and it still didn't work...
I am also at a loss.

Screen Sharing Troubles

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