File Transfer and Screen Sharing between MBP and MBA

I am running 10.5.6 on both. MBP is connected via ethernet to router and MBA via Airport. I can access files and Share screen of MBA while working on MBP. However I cannot log onto MBP while working on MBA. I have tried every combo in System Preferences-Sharing. What am I doing wrong? I can even exchange files with an older iBook. What gives?

SandySpider,
Well, you're behind a router, but it is still not a great idea to "Allow all incoming connections." At any rate, it shouldn't be necessary.
Have you looked at the computer names for the two machines, etc., to make sure that you aren't confusing your network devices with conflicting identifiers? Put another way, your two computers are not named the same, are they?
Another thought: Some routers firewall between the wired and wireless networks. You may have to open a port on the router, or enable its "UPnP" capability, if it has one. Have you tried connecting the Macbook Pro wirelessly, and did it make any difference?
Scott

Similar Messages

Asking for permission when screen sharing between MBP and Mini?

Hi Guys,
Like many others I have a mini connected to the TV, and use that as my media center, all music, movie, pictures, etc. is shown thrue the mini.
After upgrading to Lion I cannot use screen sharing as before, where I just connected to the mini, and voila I had the full control. Now it seems I have to accept the screen sharing request!?!? Is there a way around this, I surely hope so, because otherwise it will defeat the purpose of my mini! I mean, I have no mouse or keyboard attached to it obviously!
I hope there is an answer to this
Best regards
Viktor

Viktorrrrr,
It appears that Screen Sharing is a bit "buggy" in this first release of Lion.
Having said that, I have managed to get mine working and it is possible to have screen sharing without the approval prompt - the key is that you need to connect using the same account that is already logged on at the machine you're connecting to. So, in your case, after you click "Share Screen..." on your MBP, you should enter the account name and password that matches the account currently logged on your Mac Mini.
This should be fine if the account currently logged on your Mac Mini is allowed to do Screen Sharing (see the list of users in the "Allow access for:" section of the "Sharing--->Screen Sharing" system prefs).
If this works for you, stop reading here!
However, if (like me) you log on locally to your Mac Mini with a Standard account, but only allow Administrators to connect to the Mac Mini via Screen Sharing, then you have some extra work to do because, as you know, when you connect via Screen Sharing with one account in order to view the screen of another logged-on account on the Mac Mini, you get the prompt asking for permission. There does not appear to be an option to switch off this behaviour and, I suspect, this behaviour will remain due to privacy/security issues. So, if you want to avoid this prompt, you are going to have to log in using the same account. And to do this, you will need to allow this account to Screen Share.
The quick way to enable this would be to choose the option to "Allow access for: All users" on your Mac Mini - this would then allow your account (and ALL others!) to connect via Screen Sharing. But you really don't want to enable this if you can help it. Much better, would be to create a new local group on your Mac Mini called something like "Screen Share" and populate this group with all the accounts you want to be allowed to connect via Screen Sharing.
To create and populate a new group:-
Go to the "Users & Groups" system pref and click the + below the list of users to bring up the "New Account" window. Where you see the pull-down menu that says "Standard", click on this and select "Group". Enter your new group name and click "Create Group". The new group will be created and you can then select the accounts you want to include in this group (ie. the accounts you want to allow to connect via Screen Sharing) in the "Membership" section - just tick the boxes of the ones you want.
Now go back to the "Sharing-->Screen Sharing" system pref. Where it says "Allow access for:", click the "Only these users:". Now click the + below the list to bring up a window of all users. Make sure "Users & Groups" is selected in the left pane, then click on your newly-created group in the right pane and click "Select".
Sadly, this is where the real bugs seem to be!! When I try to permission my group for access, more often than not, my selected group is not added to the list of allowed access. I have played with this for hours, clicking various options in various sequences, but have not found a pattern. Even when my selected group does get added successfully, I sometimes find access is still not granted to that group and its members!!
I'm afraid it seems to be trial and error at the moment - I guess a fix will come eventually, but for now you just need to keep adding the group, removing it, turning Screen Sharing on then off then on again, try adding again...etc! I CAN tell you that I did eventually get my group to stick and work as intended, so it is possible...but it will take time!
Sorry for the lengthy response. Good luck!
C.

Wireless Screen Sharing between MBP's on formation aircraft?

Is it possible to wireless screen share between two MBP's without internet or hardwiring available? The application will be between two airplanes flying side by side in formation about 30 feet apart. -Eddie

Screen Sharing does not require the internet at all. I screen share via finder ss via wifi G all of the time between leopard MBA and MBP on a G based network or a N based ad hoc network.
Simply use wifi and create an ad hoc wifi network between the two MBPs from the airport menu in the menu bar as in Create Network. For your purposes, use the simplest open network or a five letter password.
For the screen sharing, go to the screen sharing article at <http://www.macworld.com/article/131094/2007/12/screensharepower.html?t=201> or at the Tidbits site (same article, same author) and set up the screen sharing in the finder.. not ichat. Finder screen sharing is simple and does require a wifi connection between the computers but does not require an internet connection at all.
Message was edited by: Rhyd

Is it possible to use screen sharing between lion and mountain lion

I could always use screen sharing between my 2010 macbook and my 2007 macmini,both with lion.But now since I upgraded the macbook to mountain loin it doesn't work.The macmini did at first show up on the macbook finder sidebar under sharing like it always had done but as soon as I tried to connect the sharing option disappeared and won't come back.The macmini can still see the macbook however,its on the finder there.But when I try to connect from the mini to the macbook I get an error message that says something like "server error" and contact administrator(that's me!)I can't upgrade the mini to mountain lion as it's too old.So it this an incompatibility between the two operating systems or is it something else?
I also tried to do it with BackTo My Mac,enabled through icloud on both computers but no luck,not even showing the Back to my Mac icon on either Finder sidebar like it's supposed to.When I did it through system preferences-icloud,it said this was successfully enabled but it just doesn't work at all.
Cross about this since I always use the macbook to control the macmini which is plugged into a flat screen tv and it's much easier than fiddling around with a mouse and keyboard.

I can screen share my wife's Lion iMac using Mountain Lion and the reverse is true. If the computer is not showing up to be selected under shard on the left column of the finder it is probable a connection issue. I would check my home network, restart the the macs and toggle the sharded settings and energy saving settings like wake for network activity. Be sure and set up iCloud on both your macs and turn on UPnP if you have a router for your home network serving up NAT IP Numbers. UPnG will make the port forwarding enteries in you router to allow you macs to connect behind the firewall created by nat addressing.
I am currently having a problem with back to my mac. S
creen shares great the the Lion iMac but Mountain Lion to Mountain on one computer will not connect if the computer is sleeping. It lights the screen on the sleeping computer but never shows on the computer requesting to share. File share always workd. If I wake the computere before I attemp the connection, screen share work as it should. If I try to screen share while the second computer is sleeping, It will never work again until I restart the iMac.

Screen sharing between Lion and Snow Leopard

Does anyone know whether it is possible to do Screen Sharing between two Macs where one is using lion and the other Snow Leopard? I use this feature to help my father with his computer problems but am wary about upgrading my machine to Lion without an assurance that it will work across OS's. He is in Europe where I believe Lion a) may not yet have been released and b) think it unlikely anyway that I will be able to encourage him to change something he is already finding difficult (aged 84) having never had to use a computer prior to 3 years ago at my behest.

after reading your post, i thought i'd do the same on my lion machine -- toggle screen sharing off and back on -- only to discover that it was *already* off, although it was positively enabled on the same machine when running snow leopard.
i never disabled it, as i use the feature quite regularly, which is why it never occurred to me to check the sharing settings, because i always leave screen sharing on. but apparently installing lion either caused the setting to revert, or it's possible lion simply installs with screen-sharing off by default. (who knows.)
regardless -- a simple fix.
thanks.

How to block file transfer and desktop sharing in Lync 2010 for Fedrated and Guest Users

Dear,
Can anybody guide me how to restrict desktop sharing and file transfer for federated and Anonymous logins in Lync 2010.
I have tried to apply this policy through “Conferencing Policy”, but this gets applied to all users including corporate users.
Please help in this.

Hi,
As my knowledge, the CsFileTransferFilterConfiguration and setting in confercing policy are used to block transfer file between users. So if the policy is applied to user, the user would not transfer file with anybody. Since all Federation and Guest
Users access thought the Access Edge service, here is a update that helps to enable the control of the file transfer through the Access Edge service.
http://support.microsoft.com/kb/2621840
The update helps to define the file transfer policy between users on the local area network and users that connect through the Access Edge server in a Microsoft Lync Server 2010 environment. It helps protect Microsoft Lync Server 2010 deployment against
the spread of the most common forms of viruses with minimal degradation to the user experience.
Regards,
Kent Huang
TechNet Community Support ************************************************************************************************************************ Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a
marked post does not actually answer your question.

Screen sharing between server and iMac appears to connect but no window opens

We have been trying to screen share between a server and iMac. Both are running Snow Leopard 10.6.7. It seems like we connect using the share screen app because we don't get any error messages after inputing the username and password but no window opens for the server we are connected to. When I look under the windows tab I can see a checkmark next to our server name and trying 'bring all to front' doesn't do anything. The video card on the server died and was removed by our tech support who said we could still access the computer via screen sharing. Would the server not having a video card be the cause of our problem?
Thanks.

Hi,
A Bit for other reading this thread.
To change the Login port for any AIM based name you have to obviously Log out first and then Change the port (SSL might need to be selected first) and then Press Enter to "Set" the port.
This use of the Enter key is the bit that is different to earlier versions of iChat.
For Gary,
Which Thomson-Alcatel device do you have ?
Thomson-Alcatel Speedtouches used to work well when the firmware that ran them was at Version 4.2.5 or less.
At least at this level you could access the device via Terminal using Telnet and then access the Command Line Interface (CLI) and "Unbind" SIP from port 5060
Later versions of their Firmware did not allow for a full Unbind of SIP and Video and Audio chats could only be partially successful (about 15 buddies out a list of 50
Of course using UPnP to open ports for iChat 4 helps with the Screen Sharing as the process is an Screen Share with an Audio Chat along side and both have to work/connect.
I am surprised to hear that in iChat 5 that Screen Sharing is not working when Video and Audio chats are.
For this reason I would ask how the ports have been opened in the Thomson device ?
After that I would keen to know if the Thomson Device or the Time Capsule is doing DHCP to the LAN ?
(Share an IP on the Time capsule is to Enable DHCP)
I am not sure how AT&T expect anyone to use their site to gain help or see what they currently offer when you have to type in a phone number or area (ZIP code).
I did enter the example number and got to this set of pages http://www.att.com/esupport/main.jsp?cv=801#
I see no reference to any Thomson-Alcatel device.
8:15 PM Monday; February 15, 2010
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"

Screen Sharing between Snow Leopard and Leopard not working

I have Leopard on my old G5 Tower and just put Snow on my Intel Mini now Screen Sharing no longer works, file sharing works my network drives chatter back and forth with no problems I just can't get a Screen Share connection. On the G5 I put in the mini's location the "communicating" barber pole churns away for about 2mins then comes back with "Connection failed. Please make sure that Screen Sharing is enabled on the computer..... Also make sure your network connection is working properly. On the Mini Screen Sharing either crashes on launch or when it does launch does the same thing as the G5. Screen Sharing is on on both machines. I was using it just mins. before installing Snow on the Mini. I did install the remote desktop update from Apple on the Mini, it seems to be for Snow only as the update isn't mentioned on Software Update on the Leopard G5. So I'm thinking of going back to Leopard on the Mini, can I do it by just doing a "restore" from Time Machine or should I dig out the old install disk?
Am I the only one out there with this problem?
Netgear router on wired Gigabit Ethernet Network, several Firewire drives, and Network Storage drives.

The G5 is running 10.5.8 with all the updates. Screen sharing on the Mini 9 times out of 10 crashes on launch when it does load the computer list shows but none on it can be selected and connected to as before. When I put the G5's name in and try to connect I get the same cannot connect make sure sharing is on message I get on the G5 trying to connect to the Mini. I have tried making new network settings and rebooting that didn't work. File sharing works works fine all network drives show up. This and Front Row being now slow jerky and audio being out of sync (I've seen this complaint else where on this forum) are the only problems I've found. But these two are just enough to send me back to Leopard on the Mini. It is my media server. I don't use iChat but I did check to see if Screen Sharing is on after it finally opened, crashed over and over, I see that it was enabled there as well. My network is wired not airport, I only use wifi for my iPod Touch.

Screen Sharing between Mountain Lion and Tiger not working

rMBP running 10.8.2 ML and a G3 iMac running 10.4.11 Tiger.
When I try and use Screen Sharing on the MBP to connect to the G3 it prompts for both a username and password. I enter a valid user and pw but it fails with
Authenication failed to "Ruby".
Please verify you have entered the correct name and password.
Third-party VNC clients, e.g. JollysFastVNC on my MBP and Remoter on my iPhone, can connect fine, but they only request a password.
Any ideas?

I've been using Screen Share on my home network for a very long time. My most used computer, MacBook Pro (2011) was just upgraded to ML, my desktop still has Lion on it - and can't be upgraded because it is an early MacPro. I was having intermittant problems getting the MBPro to connect to the MPro screen, and resetting the PRAM was correcting it (but it could have been the rebooting process alone - I don't know). Now I can share the MPro disks on my network but not the screen. Now, to me, that's wierd. I've tried doing all kinds of setting checks, preference removal, etc. No luck. I can, however (as someone above mentioned) connect from my MPro (Lion) to my MBPro (ML) screen. I've checked my Intego VirusBarrier X6 settings, i.e. blocked addresses (in the past that has happened and blocked) and I've even entered my MBPro address into the approved address section. I've checked/rechecked the Sharing Preferences, turned them on/off, etc. All to no avail.
Is this a Mountain Lion / Lion issue, a Mountain Lion issue, or something somewhere corrupt? I used to have Remote Desktop on the MPro, but for my needs Screen Share & Disk Share suit my needs on my home network. I have LogMeInIgnition, which when the last time I tried to connect to the MBPro it showed it offline - and it isn't. I feel there's something in ML blocking things.
I'm open to suggestions, and a fix if needed. This is frustrating. Not that I can't use the exercise to walk to the room where the MPro is - not the point.
Tom

Screen Sharing between Lion and SL?

I was about to purchase the new Mini Server but saw that it has Lion pre-installed. So I assume it won't run under Snow Leopard, which would have been my preference. As my other machines are all running SL and having no plans to change this soon, I am wondering of screen sharing would work between my MacPro (OS 10.6.8) and the Mini (OS 10.7).
Does anybody have experience with such a setup?
Thanks.

I will try it and see later but it will be this evening, (about 10 hours from now). FYI, mine are both all but standard Macs on a standard network. The Pro is wired the mini wireless. I have nothing like Remote Desktop installed.
If I don't reply, send me a message later. I may have forgotten.

Screen sharing between SnowLeo and Leo?

I have a G5 with 10.5.8 and the rest of my computers are all Intel based.
If I upgrade to SnowLeopard would I be able to use the screen sharing feature with my 10.5.8 G5?
Thank you.
F

If it works now across those machines, it will continue to work for the foreseeable future.

No screen sharing between Leopard and Snow Leopard

A buddy just bought a new 27 inch iMac after the screen on his old iMac (running Leopard) died. We had no problems screen sharing when he was using the old Mac, but with the new iMac running Snow Leopard, he can screen share with me but I can't screen share with him....at least, iChat says I am sharing my screen with him, but he can't see anything. It must be an issue with Snow Leopard, since when he opened iChat on his MacBook running 10.5, he was immediately able to view my screen.
Any thoughts, anyone? Cheers!!!

Hi,
A Bit for other reading this thread.
To change the Login port for any AIM based name you have to obviously Log out first and then Change the port (SSL might need to be selected first) and then Press Enter to "Set" the port.
This use of the Enter key is the bit that is different to earlier versions of iChat.
For Gary,
Which Thomson-Alcatel device do you have ?
Thomson-Alcatel Speedtouches used to work well when the firmware that ran them was at Version 4.2.5 or less.
At least at this level you could access the device via Terminal using Telnet and then access the Command Line Interface (CLI) and "Unbind" SIP from port 5060
Later versions of their Firmware did not allow for a full Unbind of SIP and Video and Audio chats could only be partially successful (about 15 buddies out a list of 50
Of course using UPnP to open ports for iChat 4 helps with the Screen Sharing as the process is an Screen Share with an Audio Chat along side and both have to work/connect.
I am surprised to hear that in iChat 5 that Screen Sharing is not working when Video and Audio chats are.
For this reason I would ask how the ports have been opened in the Thomson device ?
After that I would keen to know if the Thomson Device or the Time Capsule is doing DHCP to the LAN ?
(Share an IP on the Time capsule is to Enable DHCP)
I am not sure how AT&T expect anyone to use their site to gain help or see what they currently offer when you have to type in a phone number or area (ZIP code).
I did enter the example number and got to this set of pages http://www.att.com/esupport/main.jsp?cv=801#
I see no reference to any Thomson-Alcatel device.
8:15 PM Monday; February 15, 2010
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"

Screen Sharing between a Tiger Machine and a Leopard Machine

Hi All
I have an Intel Mac Mini (running Tiger) that I would like to access using some kind of remote desktop from my MacPro (running Leopard).
Is there a cost effective way to do this?
I realise that I if I ran Leopard on my Mac Mini I could use “Screen Sharing” but I specifically want to keep Tiger on it.
Thanks in advance
Tyrone Howe

You can turn on Remote Desktop on the mini and enable VNC access. You can then use any VNC client to access it from any computer.
A better way is to install Vine Server on the Mini, http://www.redstonesoftware.com/downloads/ and tunr on the "system server". It is much better then the built in VNC server and works from the login screen, in case your minin has to reboot, which the built in one doesn't.
A good client to use to acces it is JollysFastVNC http://www.jinx.de/JollysFastVNC.html

Networking/screen sharing between Mac and PC

I have a standard home wired/wireless network using a DHCP router. My main computer is a Mac Pro running Snow Leopard (latest everything). My secondary computer is a Windows 7 PC, which has IP address 192.168.2.94.
On the Mac Pro, in the Finder sidebar, under shared, I do see the PC: it's called "rackpc". If I click on it, I see the option to Connect As, but if I click it, it says Connection Failed (the server "rackpc" may not exist or it is unavailable at this time). The screen sharing button doesn't appear (as it does for other Macs in my network).
However, if I manually use the Finder's command-K (connect to server) and type in vnc://192.168.2.94, I can easily connect to the PC and share its screen.
So my question is: how can I "save" this bookmark of vnc://192.168.2.94 (or better yet, make the Mac auto-sense the rackpc's existence, which it partially does) and allow it to appear properly in the Shared list of servers on my local network? Right now it appears there, but as I said above, Connect As doesn't work, and Screen Sharing doesn't appear.
The rackpc is not on a fixed IP because I can't figure out how to do that in Windows. So it's grabbing .94 from the router, which is fine by me for now.

See if this Apple Tech Note helps:
http://support.apple.com/kb/HT1812?viewlocale=en_US

Microsoft files Read-only when sharing between two Macs

I'm trying to share Excel files between my Macbook and my iMac. The files are located on my macbook and I've given read/write permission to the folder containing the files. When I try to open the files on my iMac they open as read only. This happens with Excel, Word and Power Point files.
How do I configure the file sharing so I can open Microsoft files without them being Read only.
I'm using Office:mac 2004 and both the Macbook and iMac are running OS X (10.5.6)

There have been occassions where I have wanted to transfer something from the MBP to the Mini or vice-versa over wi-fi and have encountered problems. I suspect this is because I am using the same user account and they get confused.
Could you please explain, what kind of problems exactly you encountered? Error messages? Corrupted files? And why do you think the problem is caused by the same user profiles?
Like markwmsn I have no problem with sharing using the same account name on all my macs. Only since upgrading to Mt. Lion I usually use AirDrop to send single files. That saves the trouble to copy the files to a public folder.
Do both your macs support Air Drop?
OS X Lion: Share your files with others near you
and the requirements: HT5444
Regards
Léonie

File Transfer and Screen Sharing between MBP and MBA

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