How many devices can I have in my support profile?

How many devices can I have in my support profile? I have 24 and can not add any more. I just tried to add a new iPhone and it says the serial number, "We're sorry, but this serial number is either invalid or it is for Apple software or accessories. If you are trying to register Apple hardware other than an accessory, please check your information and try again."

Never having seen that question before, I tried to find some information - could not find anything unfortunately. So, unless someone else has a better suggestion, my recommendation is to use this form:
http://www.apple.com/support/feedback/
Send them your question - or, if you are covered by Applecare or regular warranty, simply give them a call and ask.
24 Devices....... hmmmm, I'm green with envy!

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How many devices can I have connected to one iTunes account?

How many devices can I have connected to one iTunes account?

If you mean authorized computers, five.
If you mean devices associated with iTunes Match or automatic downloads, ten.
If you mean devices synced with a single iTunes library, there’s no limit.
(108873)

How many devices can you have on 1 icloud account

how many devices can you have on 1 icloud accout?

It's unusual for a whole family to use the same icloud account, since that way everyone gets the same emails, contacts, calenders, etc. All it takes is one family member to delete a contact by mistake and then it will be deleted from everyone's devices. Not good. The usual advice is for every individual to have their own icloud account.
The iTunes store is another issue - everyone can use the same Apple ID to access the same itunes account to download music, apps, etc. without everyone having to buy the items multiple times.

How many devices can I have on my network

I need to know how many devices I can have on my home network. I'm using the netgear wifi. 300mbps
It seems to get really bogged down when I have 3 or more apple tv's going and iphone's, ipad's, etc.... Any suggestions?

Hi Winston,
so "in theory" can I connect a "very big number" of Apple TVs to a single iTunes Library using Home Sharing and a single Apple ID to play different songs/videos on different devices also simultaneously, without any limit?
For "very big" I mean more than 100 (I need this for some kind of business purpouse that I can explain later on).
I think it is only a problem of network, isn't it?
Many thanks and sorry for the awful English,
MB

How many devices can you have to your itunes library

How many devices ( Iphone,Ipod, etc) can you have to your itunes account?

As many as you wish.

How many devices can you have on one Apple ID?

I Have a new iPad 2 air which is connected to the cloud but will not pull down books or pictures. It is the third active iPad I have ( one more old one no longer active) along with 2 iPhones. is having this many devices a problem?

5 Computers authorized through itunes, 10 mobile devices

How many devices can you have on one account

We have seven devices and they are on one account. But today we are have a problem with one and trying to buy an in app purchase it says that I need to repurchase this app on the same account it was downloaded I have not changed anything

Hello bullmanda90
You can have up to 10 devices and computers combined to be associated to your Apple ID. If you are seeing that, check your purchase history for that app and if it is associated with your Apple ID. You may just need to delete the app and download it again, or report the issue to iTunes.
iTunes Store: Associating a device or computer to your Apple ID
http://support.apple.com/kb/ht4627
iTunes Store & Mac App Store: Seeing your purchase history and order numbers
http://support.apple.com/kb/HT2727
Thanks for using Apple Support Communities.
Regards,
-Norm G.

How many device can you have on your timecapsule

I have multiple device on my wireles network and it seems i have hit a limit. If I put a 9th device on the network, one of the other devices seem to get kicked off or cannot establilsh connection.
Is there a limit to the number of devices using a timecapsule?

If I put a 9th device on the network, one of the other devices seem to get kicked off or cannot establilsh connection.
The 50 limit Bob refers to is the theory .. the practice is 10.. but it still should not boot a device off.
Reset the TC and use SMB compatible names.. different for 5ghz. Short.. no spaces. pure alphanumeric.
Use wpa2 personal with 8-12 character passkey .. again pure alphanumeric.
Move as much as you can to use 5ghz.. that reduces the load on the 2.4ghz side.
If you still have issues, lock the wireless channels, for 2.4ghz there are only 3 non-overlapping, 1, 6, 11.. try each in turn.
Come back and tell us if you still get the same effect.. also is it one particular device that knocks others off.. or any new device.
You should check you have enough IP addresses with the dhcp pool and reduce the lease time to 20min.

How many devices can you have on find my phone

I have 4 apple devices that I can locate on find my phone. For some reason it won't find the 5th device iPod 4th gen

You can have 100 devices per iCloud account.
See http://support.apple.com/kb/TS4006

How many devices can I have attached to my Apple Id?

So heres the situation:
We currently have 2 iPads, 2 iPhones and 1 iMac PC between myself and hubby, and 4 PITA galaxy tabs for the kids.
Come Christmas we will be replacing the galaxys with iPad minis x 5 (5th kid is now old enough) and in the next month or so a new iMac Pro will arrive.
Will we be able to have all devices attached to the one Apple Id and share all purchases? OR will i need to create an account for the kids to share.
Im only asking now as it will affect the purchases i make in the next 2months on iTunes (i.e.: I'm not gonna go buying apps to keep my youngest happy on my iPad if they cannot then be transferred to his iPad, and the same with music for my preteen who has hijacked the "spare" iPhone for music.)
so where do we stand on this???
thanks

It is from my experience that iTunes handles computers and devices separately. For example, you are allowed to link up to five computers to any given iTunes account. But, you can have any number of devices (Apple TV, iPhone, iPad, etc.) to any iTunes account.
I personally have two iPhones, one iPod Touch, two iPads, and an Apple TV linked to my Apple Account while simultaneously having my Mac Mini, Macbook Air, and gaming computer attached to the account as well.

How many devices can you have on Family sharing

I haven't set this up yet, but each family member has more than one device so I wondered if there was a limit.

There is a limit of 10 devices and computers (combined) per Apple ID, if that is what you mean (reference http://support.apple.com/kb/ht4627).

I'm a school tech coordinator. Many computers and many iPads. How many Apple IDs can I have per device, and how many devices can have the same Apple ID? To make my life easier, I'd like 200 devices to all use the same Apple ID.

I'm a school tech coordinator. I have many computers and many iPads. I apologize if there is a some place that has all the rules governing the use of Apple IDs. I looked, and I even tried to get the answers from multiple Apple rep's. I couldn't find the answers.
How many Apple IDs can I have per device?
I want to use the same computer to sync and backup many iOS devices. The iOS devices would be associated with different Apple IDs.
I may load apps under a school Apple ID and have users load their own apps under thier own ID.
How many devices can have the same Apple ID?
Can I use the same Apple ID on all the computers in a lab?
Can I use the same Apple ID on all iPads for a particular grade level?
Are the rules different for iOS devices and computers?
I know that there are limits on "authorize" and "de-authorize" and how frequently those things can be done.
Recently I heard that for the life of an iOS device, it can only be associated with five Apple IDs. That is not good for a school giving iPads to students in a 1:1
To make my life easier, I'd like 200 devices to all use the same Apple ID.

iTunes Store Support
http://www.apple.com/emea/support/itunes/contact.html
It would be best to address your questions there, especially since this is a public forum, and over there you could post more private issues with this set-up. Not to mention, getting more official answers.

How many tasks can I have in NI-DAQmx system?

I am working out of the office this week - please send your response to [email protected] as well as my normal email [email protected].
I am designing a new test platform that will run on C# (because we like object oriented text based programming and because the IDE is free). For hardware we'll use your PXI modules (because your hardware is ultra-reliable). I'm starting with the following PXI modules 6259, 4072, 6509, 2575, and 2569, but we made add other modules later as future requirements demand. I am doing the system software architecture now. I've done some dabbling with Ni_daqmx, and I loathe "tasks" and "channels", but am determined to make them work.
The difficulty I'm having revolves around the overhead with setting up tasks and channels and with the concept of tasks and channels. Help hasn't helped much. Tasks seem to work great if you intend to always collect the same large amount of data from many sources and always will do it in exactly the same way.
We want something much more akin to random access memory. We'll have UUTs of different kinds coming on and off at random times. Sometimes a test will need a simple DC voltage, and other times another test will need 2 seconds worth of data at 1MS/s. It can cost around 150msec to make that change (stop the current task, creat another one, configure anohter channel, start up a new task, blah, blah, task this, channle that - for the life of me I can't understand what this damn taks concept does for me but make matters more complicated and bog down my system).
I can just barely glean from the help that I can have only one analog input task at once, but I can have sevferal taks of several different kinds running at the same time ( a digital output task and another task for digital input, and another task for analong input, etc.) . It does seem that I can set realys without having to put them into a channel and a task (Thank goodness for that - I just wanna turn on a relay I have no idea what a relay "channel" might be.)
In the PXI system I described above I'll have two devices that are analog input devices, the DMM and the Daq. Even with two devices, can I only have one analog input task running? Does that mean I've got to waste 150msec just to switch from the DMM to the Daq? (Do you understand my frustration with "tasks"? - I should be able to say "read DMM" and turn around and say "read Daq channel 0" without having to jump thru task and channle hoops and waste a bunch of time doing it).
I'll also have Daq digital IO and two 6509 digital io modules. Do I have to cram all of that into some "task" concept too? The Daq card has got many other kinds of wonderful capability (frequency measurement, counters, analog output). How many tasks can I have for that stuff? On the DMM card I can measure capacitance amoung other things. Will I have a capacitance task? The idea of a "capacitance task" hurts my head.
Golly I hate tasks. Please help.
I am working out of the office this week - please send your response to [email protected] as well as my normal email [email protected].
Dave

Dave,
Thanks for posting to the NI Forums.
For the good of the community we like to keep conversations that start of the forums on the forums rather than moving to email. If you want to move to email support I recommend contacting NI through the email route.
I will answer your questions here. If you need more direct contact please feel free to contact us through [email protected].
For some the concept of tasks may seem daunting, however, for many applications it makes life a lot more simple. A task at a very fundamental level is simply a collection of channels with a single type (AI, DI, DO, etc.) and a single timing configuration (sampling rate, continuous vs. finite, etc.). It is a way to organize configuration data.
The concept of a task is an abstraction like OO programming. Like OO programming it may take some time to understand but can be a time saver in the end. Also like OO programming it does add some initial programming overhead. It is much more simple to simply type a printf statement in C than to have to create a bunch of classes just to output text to the screen. You can accomplish the same thing not using OO programming, but in the end OO programming is extremely useful, because it groups useful information and methods together in one place.
With very simple applications OO programming sometimes does not make sense. But as a program gets more and more complex OO programming becomes more and more useful. It takes some learning but it is worth it.
I believe the concept of a task does the same thing. It does not change the actual functionality of the device or add excessive overhead. It is just an abstraction that pulls configuration data about a specific "task" and methods the task can perform into a single logical place.
Unlike the entirely abstract concept of an Object, a Task is run on a physical device and therefore has physical limitations. You can create multiple tasks of the same type, but you can only run a one timed task of each type on a single board at a time. In other words you can have multiple AI tasks running at the same time but they need to run on different boards or only one can be timed (have a rate). You can also have multiple timed AI tasks configured for a single board but only one can actually be running at a time.
The reason you can only have a single timed task running at a time is because the M-Series boards (and many other boards as well) have a single timing engine for each type of acquisition or generation. There is a single timing engine for AI, one for AO, and so forth. You cannot have channel 1 running at 1 MS/s and another running at 50 kS/s.
However, tasks can exist even when they are not being actively run. You can create all the tasks you need at the beginning of your program and simply start and stop them as you need. After the task is stopped you do not need to clear the task until the end of your program. You can further increase performance by moving the Task into the latest state possible without actually starting the task. This can be done by calling myTask.Control(TaskAction.Action). The Task states are further explained in the NI-DAQmx Help Manual.
The concept of a task will need to be used with any device that is being programmed using NI-DAQmx. The 6259 and 6509 will need to be programmed using DAQmx. With the 2575 and 2569 you have the choice of either using the NI-DAQmx API or the NI-SWITCH API. The SWITCH API does not use the concept of tasks. For the 4072 you will need to use the NI-DMM API. This API also does not use the concept of tasks.
Hopefully this information is helpful. Let me know if you have any additional questions or concerns.
Regards,
Neil S.
Applications Engineer
National Instruments

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