Screen sharing suddenly broken between two machines

I have three machines on a LAN. Screen sharing works just fine in every direction except one: From my mac book pro to one of the minis, no matter what password I try, I get a dialog that the password is wrong. Now I know **** well the password is right, because it's the same one I use to screen share from the other machines, and with SSH.
What's happened?!

Turns out that AFP (disk sharing) is broken in this same direction. Both screen and disk sharing work in all other directions including from that mini back to my laptop.
Chicken of the VNC can connect to the VNC server on the target machine using the generic VNC password.

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Sharing TCP Ports Between two Machines

I have an AirPort Extreme router that I use for wireless. For personal stuff I use my Mac, but for work I have a couple servers running Windows Server 2003/2008. Right now I NAT port 80 to one of the machines. I want to NAT port 80 to both machines and just let the server configured to respond to the request's host header respond to the inbound request.
Can this be done with the AirPort router? Are there any workarounds? Or do I need to buy some other routing equipment (i.e. Cisco small business router)?
Thanks for any guidance...
John

John, Welcome to the discussion area!
Can this be done with the AirPort router?
No
Are there any workarounds?
You could map a different external port to port 80 on the 2nd machine. Then external access would be via http://yourPublicIPAddress:CustomPort. The AirPort Extreme base station (AEBS) would be configured to map port "CustomPort" to port 80 to the 2nd machine.

10.6.8 MBPro Screen Sharing suddenly can not connect to our other Macs.

We've used Screen Sharing from our MBPros for the past few years to manage our Mac file & media servers. Last year we replaced our G5 file server with a Mac Mini with Lion server. No problems - we could still use Screen Sharing to manage both this Lion file server and the Snow Leopard MacPro that's hooked up to our TV (among other things).
Friday morning my MBP could not see or connect to the Lion file server - the MBPs have the Lion server's data drives in Login Items so they mount when we log in. I also cound not Screen Share to either the Lion server or the SL MacPro. I checked the MBP's ethernet connection and could get to our router and the internet. When I tried to connect via Screen Sharing (by using the Share Screen... button in a Finder window, by using the Connect to Server command with vnc:// protocol, or by using the ScreenSharing menulet) I would get the "Connecting to Lion server" alert but nothing further. I left it for 10 minutes or so and it eventually disappeared but the connection never opened.
I checked the two servers and both were up and running. From the SL MacPro I could use Screen Sharing to get to the Lion server - and my MBPro too. From the Lion server I could Screen Share to the MacPro and my MBPro also.
The problem appeared to be with my MBPro. I switched to an unprivledged user account on it and found I could then get to both servers using Screen Sharing. So it was just my account on the MBPro. Rebooting did not help. Turning on AirPort, connecting to our home AirPort Extreme and unplugging the ethernet cable did not change anything with my account connecting to the servers.
I figured something somehow got pranged in my account's credentials. I used Keychain Access to delete all keychains containing the servers' names, IP addresses or sharing. I was asked for my credentials when I mounted the server's shared drives, but not when I tried Screen Sharing - got the same "Connecting to Lion server" or "Connecting to media server" dialogues and was never asked for username or password, but never connected either.
I cleared all caches using the utility Maintenance in case my MBPro was using invalid cached info. No improvement.
Saturday morning I shut down everything on our entire network - FiOS "modem"/router, Netgear gigabit switch, AirPort Snow, AirPort Extreme, MacPro, MacMini, both MacBookPros... even the FiOS cable box. Still no improvement.
IPv6 is disabled on the Lion server. All the Macs have all curent updates applied.
I've spent most of today Googling for solutions and trying them out. None have worked - though I see several very recent reports in these Apple Communities about Screen Sharing suddenly not working.
I really do not want to have to move to a new account on my MBP - and what's to say it won't happen again? Anyone have other suggestions?

sunnovagun!
Hitting the Log Out button in the MobileMe panel worked. I can now connect to both the SnowLeopard and Lion servers just like I used to.
My condition appears to have been slightly different from yours, gmia - the MobileMe on my MBP had the correct info, but hose are not the credentials i use to remote to the two servers. I'm guessing that for some reason ScreenSharing began using my MobileMe credentials instead of what I had saved in the keychains.
Wonder if it had anything to do with the shutdown of the MM servers. That would be odd as using ones apple ID to log into a Mac remotely was new with Lion, and I had the same problem with our SnowLeopard server - which I remote into much more frequently.
Probably didn't hurt though to reboot the entire network...

Using Lightroom Cloud to Sync Catalog Between Two Machines

I have use of so many cloud services including the 20gb that Adobe gives me. Is there a way i can sync my catalog on the cloud so that i can have all my metadata on both my laptop and desk top? I also have 300gb of cloud storage though Copy. I would just like some recomendations on how best to go about it. Thanks

Hi Pat,
Using Lightroom Cloud to Sync Catalog Between Two Machines
If you’re running Lightroom on a laptop during your location shoots, you might want to take all the edits, keywords, metadata, and of course the photos themselves, and add them to the Lightroom catalog on your studio computer. It’s easier than it sounds: basically, you choose which catalog to export from your laptop, then you take the folder it creates over to your studio computer and import it.
You need to decide whether you want to export a folder (all the imported photos from your shoot), or a collection (just your Picks from the shoot). In this case, we’ll go with a collection, so go to the Collections panel and click on the collection you want to merge with your main catalog back in your studio. (If you had chosen a folder, the only difference would be you’d go to the Folders panel and click on the folder from that shoot instead. Either way, all the metadata you added, and any edits you made in Lightroom, will still be transferred over to the other machine.)
Please refer to http://www.peachpit.com/articles/article.aspx?p=1930499 for more details.
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Eshant Jindal

Delta broken between two DSO ??

Hello,
We are on BI 7.0.
We have copied our productive system into our develoment system in order to have refresh datas. But since this copy with a big problem in our development system : one DTP on delta is broken between two DSO.
I Try to reactivate any objects (DTP, DSO, transformation...). Nothing ! Then I delete all datas in target DSO and relaunch an init with same DTP in delta ! all data are correctly transfered in target DSO, but when I add new datas in source DSO, it's impossible to load them into target DSO with same DTP : "no more data avaible "
Could you help me ? In our system we have severals DTP in delta between DSO, and there are correct ! only this one is broken.

Hi Eric,
When a system is refreshed all the data sources and other DTPs might show the refreshing system details.
BASIS would be running BDLS job to change those entries and point correctly the Source system.
After refresh there are many possibilities that the INITs would be corrupted.
Check with your BASIS team whether BW relevant post refresh jobs are completed or not?
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Sharing a shared network variable between two PC's connected to a network

Sharing a shared network variable between two PC's connected to a network
Surely this shouldn’t be so difficult! I have a little LabVIEW program running in the background of PC1. The exe’s task is to collect and send OPC variables held on a SCADA system and convert them to shared network variables (as I thought that they would be easy to share over a network, easier than the nasty OPC and DCOM issues). I have PC2 which runs measurement studio and I have created a nice test VB program which either writes or reads the network variables which are on PC1. The PC1 collection software is working perfectly and when I change the values on the SCADA system I can see the network variable change on ‘NI Distributed System Manager’. I When I look at ‘NI Distributed System Manager’ on PC2 I can’t see PC1 on the list and when I use the basic measurement studio code below to read the network variable it times out at the TestVariable.connect() line.
Ok so what do I need to do to read a shared network variable sat on PC1 from PC2 on the network
Public Class Form1
Private WithEvents TestVariable As NetworkVariableSubscriber(Of Double)
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
TestVariable = New NetworkVariableSubscriber(Of Double)("\\192.168.58.139\Test\TestVariable")
TestVariable.Connect()
End Sub
Private Sub TestVariable_Data_Updated(ByVal sender As System.Object, ByVal e As NationalInstruments.NetworkVariable.DataUpdatedEventArgs(Of Double)) Handles TestVariable.DataUpdated
TextBox1.Text = e.Data.GetValue
End Sub
End Class

Sorry lost all the formatting
Surely this shouldn’t be so difficult! I have a little
LabVIEW program running in the background of PC1. The exe’s task is to collect
and send OPC variables held on a SCADA system and convert them to shared
network variables (as I thought that they would be easy to share over a
network, easier than the nasty OPC and DCOM issues). I have PC2 which runs
measurement studio and I have created a nice test VB program which either
writes or reads the network variables which are on PC1. The PC1 collection
software is working perfectly and when I change the values on the SCADA system
I can see the network variable change on ‘NI Distributed System Manager’. I
When I look at ‘NI Distributed System Manager’ on PC2 I can’t see PC1 on the
list and when I use the basic measurement studio code below to read the network
variable it times out at the TestVariable.connect() line.
Ok so what do I need to do to read a shared network variable
sat on PC1 from PC2 on the network
Public Class Form1
Private
WithEvents TestVariable As NetworkVariableSubscriber(Of Double)
Private Sub Form1_Load(ByVal sender As System.Object,
ByVal e As System.EventArgs) Handles MyBase.Load
TestVariable = New NetworkVariableSubscriber(Of
Double)("\\192.168.58.139\Test\TestVariable")
TestVariable.Connect()
End Sub
Private Sub TestVariable_Data_Updated(ByVal sender As
System.Object, ByVal e As
NationalInstruments.NetworkVariable.DataUpdatedEventArgs(Of Double)) Handles
TestVariable.DataUpdated
TextBox1.Text = e.Data.GetValue
End Sub
End Class

Communication between two Machines

I just want to know whether is there any way possible where I can enable communication between two machines.
To be more clear , suppose if i click on a button then it send a pop up or a message box on another machine in the network.

Look for "Distributed Notifications".

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I point everything to the external drive I use (in terms of edits and saving) and just wanted to be sure I would have no problem on second computer seeing it all open and looking the same. I just want my data to stay mobile. It looks pretty cut and dried but I want to know about any "gothchas" before I get to second computer.
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So I can't have the catalog on the External drive as well and always
reference everything from that location? I thought that is what I had done.
Then, the only "discipline" would be plugging in the External Drive each
place right?
I am open to suggestions on this. I just want groupings in organizer and
that sort of stuff to travel. Maybe an edit area on the USB that I simply
import and export back and forth as needed?
I guess I'm just interested in best work flow for this scenario.
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Communicating between two machine

hi all
how in oracle i can communicate between two machine via ip address.
my oracle version is--->
Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Prod
PL/SQL Release 10.1.0.2.0 - Production
CORE 10.1.0.2.0 Production
TNS for 32-bit Windows: Version 10.1.0.2.0 - Production
NLSRTL Version 10.1.0.2.0 - Production
Message was edited by:
bp

Hi,
If you mean communicating between two database, you can create DATABASE LINK.
http://download.oracle.com/docs/cd/B14117_01/server.101/b10759/statements_5005.htm
Thanks

Screen Sharing suddenly fails with "Communication Error" in console log. File sharing works fine. Thoughts?

I have been using Lion provided Screen Sharing for months without incident. Suddenly (I do not believe there was an intervening o/s update), it will not connect. I get a "Connection Error" dialog after a minute or two. The console log shows the same thing w/o any useful info. I can share files with the target mac fine and run time machine without error. Any ideas on what's up?
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Check the host property configured in KM URL generator service.
Navigate to
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Sharing iPhoto Library between Two User Accounts

Is there any way to fully share a single iPhoto library between two user accounts on one machine (iMac 2.0GHz dual core Intel, 10.5.1, iPhoto '08), without using an external drive (because I don't have one)? By share, I mean each user has full rights and priveledges to the entire library, regardless of who uploaded the pics. Holding down the option key on iPhoto startup does not work because my wife can't access the pics I loaded even though she's pointing to the shared library in a shared folder.

If you want the other user to have the same access to the library as you: to be able to add, edit, organise, keyword etc. then:
Quit iPhoto in both accounts
Move the iPhoto Library Folder to an external HD set to ignore permissions. *You could also use a dmg*.
(Some people have had success putting the library in the Users/ Shared folder. If you do this make sure the file permissions are set to allow read/write access to everyone. But that's unlikely to work on 10.5 because of the way that the permissions have changed with the new OS.)
In each account in turn: Hold down the option (or alt) key and launch iPhoto. From the resulting dialogue, select 'Choose Library' and navigate to the new library location. From that point on, this will be the default library location. Both accounts will have full access to the library, in fact, both accounts will 'own' it.
However, there is a catch with this system and it is a significant one. iPhoto is not a multi-user app., it does not have the code to negotiate two users simultaneously writing to the database, and trying will cause db corruption. So only one user at a time, and back up, back up back up.
Regards
TD

Right click in Screen Sharing causes Expose on remote machine

I have a Mac Pro at home. I have a hot corner for Exposé. I have a mighty mouse at both the host and client machine. In both cases, Exposé from a mouse pinch is disabled.
When I try and drag a file from one place to another on the remote machine, Exposé is triggered. I also use RemoteTap on my iPhone - when I connect using it, it forces a "spaces exposé" (shows all the spaces on the remote machine) and quits the Dock. I imagine these two may be related. Has anyone else seen this and know what may be causing it?
I should add that the desktop machine was a migration from my laptop. I have looked everywhere I can think of, but on the remote machine, when I am in front of it, Exposé is not just triggered without a real trigger. With the remote sessions, I have a hard time using the machine without exposé triggering.
Thanks in advance for help...

I have the same problem with the dragging a file activating expose. SO ANNOYING!!!! It makes screen sharing (one of the main reasons I pay for MobileMe) absolutely useless. It can be solved, however, by disabling all hot corners. While that's a semi easy workaround, its incredibly annoying to have to do that each time I want to remotely log in. I really hope they fix it soon or they lost a MobileMe customer. I will just use a free VNC program at that point.

Sharing and Screen Sharing suddenly become flakey.

I've been ignoring this problem for a while, but it bugs me and I'd like to figure out what is going on.
My G4 733 that for years has shown up and worked on my other computers as Shared in the side bar and allowed screen sharing has decided to start behaving oddly.
Sometimes it works just fine. Sometimes when I connect to it it shows "Connecting…" and then disappears. Sometimes it functions fine as a fileserver, and then disappears when I try to use screen sharing.
Oddly, I can always connect to it properly using "Connect to Server…" and the IP address (it has an assigned address) and I can always control it with Apple Remote Desktop. Even shows up on the ARD scanner.
This is true for both of my Snow Leopard machines (MacPro and MacBook).
G4 is running the same 10.3.9 it has had since it released. Nothing is ever changed on it (it a web and FTP server). I did upgrade the firmware of my Linksys WRT310N, that may have been around when it went wrong.
I've checked the usual things, permissions, disks and network settings…
No idea what would cause all this.
Thanks to anyone with ideas.

Neal Bridgens wrote:
My G4 733 that for years has shown up and worked on my other computers as Shared in the side bar and allowed screen sharing has decided to start behaving oddly.
Sometimes it works just fine. Sometimes when I connect to it it shows "Connecting…" and then disappears. Sometimes it functions fine as a fileserver, and then disappears when I try to use screen sharing.
Oddly, I can always connect to it properly using "Connect to Server…" and the IP address (it has an assigned address) and I can always control it with Apple Remote Desktop.
Same thing happened to me with an eMac running 10.4. I found this thread (see below) a short while ago, did what it suggested, and the problem went - at least in the short time since.
Go to the Sharing Pane/Services and turn each service OFF with the Stop button, waiting for it to 'take'. Then click on Start, and wait again.
Here's the other thread:
*"If you have trouble networking two computers (can't connect with Sidebar method or Go…Connect to Server method) try this workaround:*
*"When enabling or disabling Personal File sharing (or other Service) under the Services tab of the Sharing Preference pane, always click on the Start/Stop button, and wait for several seconds until you see the change effected before quitting the Services tab. Do not, repeat not, directly tick or clear the checkbox for the item - you may create a false status indication for this item."*
Good luck,
Chris Adams.

Sharing aperture library between two computers in same house

How do I go about sharing the same library between two computers in the same house? I would like to take some or all photos around with me on my laptop and be able to have them also at home for use by my family. Will I have trouble with changes and keeping things in sync? Would I locate the library on a portable drive on our home network? Thanks,
Todd

cut and dry ???
are you wanting to constantly move the external around from machine to machine ??? or are you looking for simultaneous access ???
if you had a library on an external and moved it between computers, it could work ... just be careful to always have the external connected before starting aperture, else it will create a new null library for you ...
you could have db issues if you tried to have two people access it at once ... i dont believe that the aperture db could handle multi access at once ... not robust enough ... no locking of records, etc ...

Sharing iPhone apps between two accounts on a single mac.

Firstly, apologies if this topic has been covered many times before, I've tried to look, but can't find the exact answer I need.
I have recently purchased two iphones and want to use them on seperate apple ID's - I want different iCloud storage for each phone.
I have a macbook which has two accounts (one for me and one for my wife). When I login to my account I have access to my itunes account and when my wife logins into her account she has access to her itunes account.
I have followed the instructions for sharing musics between two users on the same mac - by moving the itunes media folder to the shared folder on my mac. I have copied everything in that folder (music, movies, apps etc). I have also set up home sharing as I believe that you can share apps between itunes accounts using it. Everything seems to have worked ok in terms of her itunes being able to access the music, movies etc, but the apps don't seem to work properly. I went through the subfolders of the itunes media folder and changed the folder permissions to read and write for everybody (because I was getting a permissions error) and she now has access to the apps that are there (on my itunes account), but the apps that she has downloaded on her phone are not being transferred to the macbook. I've tried the reset warnings suggestion and that hasn't solved the issue.
Am I doing something wrong? Should the apps folder within the itunes media folder not be moved with the music when transferring to the shared folder? Any ideas why music and movies sharing is working ok, but not apps?
Thanks in advance!

This should help:
iTunes: How to share music between different accounts on a single computer
Note that when it says "publicly accessible location", it needs to be a place where everyone has read and write access. The most common such place is the Shared folder in the Users folder.

Screen sharing suddenly broken between two machines

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