WIFI connection from IMAC to Officejet 6380 keeps failing

Hello. I cannot seem to get my IMAC to communicate with my printer. I've installed the software twice, once from disk and once from internet. When I print test page from printer utility, the printer spools up, prints a couple of lines, then stops and hangs up. eventually I see on the computer screen that a comms failure occurred. Anybody know what I can do to solve this?
Sincerely,
JN

Describe to me your wireless setup.
What type of wireless-router are you using?
Is the iMac connected wirelessly or wired to your network?
Can you browse the printer's internal web page via Safari (use Bonjour bookmarks to find the printer and select it).
Finally, what printer are you using?
Regards / Jim B / Wireless Enthusiasts
( While I'm an embedded wireless systems engineer at work, on this forum I do not represent my former employer, Hewlett-Packard, or my current employer, Microsoft )
+ Click the White Kudos star on the left as a way to say "thank you" for helpful posts.

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This subject has been talked/written about a lot, after Lion was introduced. A solution from Apple has not yet been published, everybody is waiting.
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Try the following to rule out a software problem:
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Hi guys,
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Connect from SAP gateway to RFC server failed - Java StandAlone app X SAP RAC System

Dears,
I'm developing a Java application (RFC SERVER) with JCo3 and I need to connect to SAP RAC system.
I have configured the TCP/IP connection via transaction SM59, but when I try to start my server I face the error below (dev_jco_rfc.trc):
==========================================================================================
**** Error file opened at 20140714 112024 Brasilia Time Rel 3.0.10 (2013-08-08) [720.440]
Error: >Mon Jul 14 11:20:24,636<    RfcException: [null]
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Connection parameters: TYPE=A DEST=VSPAGUE ASHOST=cpe1601 SYSNR=01 SAPROUTER=/H/155.56.49.28 PCS=1
LOCATION    SAP-Gateway on host ld7624.dmzwdf.sap.corp / sapgw01
ERROR       hostname 'cpe1601' unknown
TIME        Mon Jul 14 16:20:25 2014
RELEASE     740
COMPONENT   NI (network interface)
VERSION     40
RC          -2
MODULE      /bas/740_REL/src/base/ni/nixxhl.cpp
LINE        193
DETAIL      NiHLGetNodeAddr: hostname cached as unknown
COUNTER     3
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==========================================================================================
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JCoServer myServer = JCoServerFactory.getServer(myServerName);
My system properties:
jco.client.lang=EN
jco.destination.peak_limit=10
jco.client.client=800
jco.client.passwd=********
jco.client.user=********
jco.client.sysnr=01
jco.destination.pool_capacity=3
jco.client.ashost=/H/155.56.49.28/H/cpe1601
jco.server.connection_count=3
jco.server.gwhost=/H/155.56.49.28/H/cpe1601
jco.server.progid=VSPAGUE
jco.server.gwserv=sapgw01
jco.server.repository_destination=VSPAGUE
Using SAP Logon i can connect to server cpe1601 system E16 without problems.
Please, I really need some help, because my knowledge on SAP platform is minimum.

Hi Markus,
Changing ASHOST=ld7624.dmzwdf.sap.corp as you have suggested, I got the error message: Connect to SAP gateway failed ...
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System Connection Parameters
Description: SAP ECC 6.0
Application Server: cpe1601
Instance Number: 01
System ID: E16
SAProuter String: /H/155.56.49.28/H/
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Crystal report- Connect from SAP gateway to RFC server failed

Hi All,
I am trying to connect to a SAP R3 system from crystal reports but it gives me below error.
Please note : Transports have been imported and also the roles CRYSTAL_ENTITLEMENT and CRYSTAL_DESIGNER. My user is a member of these roles which were release along with Best practice reports v1.31
Error :
Logon failed.
Details: CMALLC : rc= 27 > Connect from SAP gateway to RFC server failed
Connect_pm GWHOST=10.10.4.63, gwserv=SAPGW30, SYSNR= 30
Location SAP-gateway on host ply.log.com/sapgw30
Error timeout during allocate
TIME ....
Release 700
Component SAP Gateway
Version 2
RC 242
Module gwr3cpic.c
LINE 1996
Detail no connect of TP sapdb30 from host 10.10.4.63 after 20 sec
Can you please help us solving this error.
Thanks
Chetan

Hi Stratos,
The SAP Version is ECC 6.0.
The below transports have been imported.
u2022 Open SQL Connectivity transport (K900574.r21 and R900574.r21)
u2022 Info Set Connectivity transport (K900575.r21 and R900575.r21)
u2022 Row-level Security Definition transport (K900576.r21 and R900576.r21)
u2022 Cluster Definition transport (K900585.r21 and R900585.r21)
u2022 Authentication Helpers transport (K900578.r21 and R900578.r21)
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Chetan

Connect from SAP gateway to RFC server failed

Good day and a happy new year to you all!
I am failing to connect to my SAP BW system from BEx. The logon fails with this message:
>>>>>Start<<<<<<<<<<
Error Group
RFC_ERROR_COMMUNICATION
Message
Connect from SAP gateway to RFC server failed
Connect_PM GWHOST=10.16.64.77, GWSERV=sapgw02, ASHOST=10.16.64.77, SYSNR=02
LOCATION    SAP-Gateway on host bwsys / sapgw02
ERROR       timeout during allocate
TIME        Sat Dec 31 13:16:19 2005
RELEASE     640
COMPONENT   SAP-Gateway
VERSION     2
RC          242
MODULE      gwr3cpic.c
LINE        1785
DETAIL      no connect of TP sapdp02 from host 10.16.64.77 after 22 sec
COUNTER     2
>>>>>>>>>END<<<<<<<<<<<<
I only experience this problem when connecting using any BEx component, but, I can successfully connect to the SAP BW system from SAP gui.
Additionally, I have the service 'sapdp02' defined in the services file, both on the workstation and the server.
What could be wrong or missing in my configuration?
Regards,
Joao.

hi Joao,
check if oss note 447882 relevant
you may ask basis for help
Symptom
You want to access the customer system using the BEx Analyzer.The connenction fails:The system displays the error RFC_ERROR_COMMUNICATION.In the detail screen, the system displays message "Partner not reached" (host 192.168.4.2, service sapgw 00).
Other terms
SAP Gateway, RFC_ERROR_COMMUNICATION, partner not reached
Reason and Prerequisites
The SAP gateway host is deactivated or the TCP/IP port 33xx (where xx corresponds to the system number) is not open.
Solution
Issue statement ping <IP address> (In this example:192.168.4.2) No reply: Boot SAP Gateway host required.
An answer:Check whether the TCP/IP port 33xx is open (where xx corresponds to the system number) and start the SAP gateway.
The TCP/IP port is also partially defined in the services file as an sapgw<SID> or sapgwxx entry (where xx corresponds to the system number). The services file is in the Windows directory or in WinNT/System32/drivers/etc.

Error: Connect from SAP gateway to RFC Server failed

Hi
I am trying to connect SAP server using the java (JCO connection), and getting following error. While I am able to connect to the same sever using SAP Logon pad with the same ipaddress (hostname) and logon credentials.
Please kindly help.
Erro: Connect from SAP gateway to RFC server failed.
Connect_PM GWHOST = hostname, GWSER = sapgw03, ASHOST=hostname, SYSNR=03
LOCATION SAP-Gateway on host hostname / sapgw03
ERROR timeout during allocate
TIME Wed Oct 31 05:31:45 2007
RELEASE 640
COMPONENT SAP-Gateway
VERSION 2
RC 242
MODULE gwr3cpic.c
LINE 1795
DETAIL no connect of TP sapdp03 from host hostname after 22 sec
COUNTER 3

Hi K Patil,
Acording to me you are faceing this issue because the entry of your backend System is not in the SLD (System Landscape Directory ) of your server.
to make this work you have to make entry in the SLD of your server
fort that plesae acess this link.
Re: JCo connection Error
Re: wt is SLD.. how to do configure it
Please Reward Points if Helpfull.
Regards
Vinit
Edited by: Vinit Soni on Dec 19, 2007 7:20 AM

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I keep losing my connection from iMac to keyboard and mouse any help please

I keep losing connection between imac and my mouse and key board.I then have to power off and reboot to get connection can anyone help please!!!!

Hi
Update date for anyone who ha suffered with the problem of losing connection to an ext HDD.
For me, the solution appears to have been achieved by making use of my old 802.11 b&g Airport Extreme base station and my new 802.11 n Airport Extreme Base Station.
My network is now setup as follows:-
Airport 802.11 n - 5GHz
Macbook Black
Apple TV
Time Capsule
Airport Express Base Station
Airport 802.11 b&g - 2.4GHz
Playstation 3
Xbox 360 Elite
Nintendo Wii
iPhones
iPod Touch
Canon Wi-fi Printer
iMac G5
Sony VAIO TX2P
I connect my ADSL line to both AEBS by ethernet, changed the settings and this has dramatically improved my connection reliability and speed when streaming movies and/or music.
Through trial & error, I have also discovered that the other problems that I have are connected to situations when restart my Macbook after a shut down or restart and my iPhone is connected. This causes iTunes to start up but due to the restart, the ext HDD is not ready and therefore, ITunes opens its local library - I now just try to remember to use the Option key to choose the library. Finally, if the laptop just runs out of juice, the ext HDD doesn't have the chance to have a friendly handshake before losing its connection. When I restart, the connection does to the HDD fails and I have to restart AEBS
I hope that helps anyone with similar problems or who wants to make the most of their fast 802.11n equipment by making is use of that kit that was maybe considered redundant - by creating a dual frequency network that maximizes speeds on 802.11 n whilst allowing use of the legacy 802.11 b&g devices.

Setting up a WiFi network from iMac... works on "old" iMac, not "new"

Hello,
I hope I'm not crazy, or even worse, stupid.
I an running two iMacs in my home office. Old one= 21" 2 Ghz PowerPC G5, purchased summer 2005 and still running like a champ. New one=27" 2.7 Ghz Intel i5. Purchased the new one July 2011. I have a cable modem plugged into the ethernet port on the old iMac. I've been accessing internet on new iMac with wifi and the internet sharing network I set up on old one. I also use wifi on my ipad and laptop. I have never had even a single dropped wifi connection on any of these devices.
I pretty much expected the same kind of result and performance when I reset the cable modem and plugged it into the new imac and took similiar steps to set up internet sharing/wifi network on new iMac. This has not been the case.
What's happening is:
The cable modem plugged to new iMac is working fine; verified with ISP. I set up wifi network on new iMac and turn on internet sharing. I locate my network name on ipad, laptop, even the old iMac, and I see the name in the list, so I figure so far so good. The signal icon appears in menu bar as usual. I open a web site to verify it's working. And it's working...for about 20 seconds. Then I get alert messages that there is no internet connection.
After creating a bunch of new networks and changing channels, changing type of security, even passwords, I realized I wasn't going to figure this out by myself. I'm not a technical person; Apple spoiled me and I stopped learning how to do anything except plug stuff in 20 years ago.
I started researching online including these discussion boards and answers have ranged from "It's the iMac! It's a hardware problem they never fixed! The aluminum case gets too hot!" to, "there's no airport card and you have to buy an external router." I gave up and called Apple, thinking surely they'd be able to give me a straight answer. Ha ha. Nope.
Of course the bottom line is I could buy applecare (haven't yet...haven't used the computer hardly and I'm still under warranty), I could buy telephone tech support, or I can take the machine to the geniuses.
I keep thinking this can't be that complicated. When I buy a new iMac--this is my 4th one--I expect things will get easier, not this complicated mess.
Oh, last I want to include I just reversed everything back to the way it was. My old iMac is connected to the cable modem and the old iMac is back to being my wifi network, sharing internet with the new imac, my ipad and laptop. Easy as pie.
I'm making an appointment with the geniuseses but hoping it's just something I'm too dumb to realize I'm doing wrong.
Thank you in advance for your patience; any help is much appreciated!

SuznK66 wrote:
It never occurred to me that the wireless network/internet sharing thing wouldn't work just as well if not better on a brand new machine with the improved technologies I pretty much expect. Metal could be interfering with the signal? The machine is aluminum!! I'm no engineer but that seems kind of...flawed. I just don't understand.
I think the WiFi antenna is near an edge of the computer to avoid being encased in metal. It should work like t did in your old computer, but as I said, the use of a Mac to share an internet signal is much less common than use of a router so even if the newer computers have a non-optimal design, it might not get widely noticed in forums like these.
Sounds like AppleCare is what you want, so I'd get it and then have them check that your Mac is transmitting thru the wireless card/antenna as strongly as it should be. The antenna clearly works as you can RECEIVE a signal, but the transmitter uses different circuitry than the receiver. By the way, I think AppleCare is a good thing to get for iMacs and for laptops as they are very compact and tend to be more prone to thermal problems than other desktop computers.
I have no idea about routers aside from, of course, the apple air port one that the phone tech support guy mentioned. Are there others that are less money and just as good? I don't feel like rewarding apple for selling me a product that doesn't do what the earlier geration machines did without a problem. Seems like they shouldn't make another $200 because of their flaw. My old iMac's wifi signal was strong enough for a 3500 square foot house, 2 laptops and an iphone.
Would getting an external router definitely solve my problem? Which one would you recommend if I go that route?
I also did not understand why the Apple routers (Airport) were so much more expensive than other brands. So I purchased a linksys n router some years ago and it has worked quite well. They are very easy to configure through an ordinary web browser (some Mac folks prefer the Airport utilities that are used to configure the Airport routers, but I find the web browser interface very easy to use for the non-Apple routers), and they are in very widespread use (linksys isn't the only brand that is good for this, there are others, but I've had good experience with both Belkin and Linksys). You can get very high performing n routers from Belkin and Linksys for under $100. I'd get a router that has dual band (2.4 GHz and 5 GHz), and I think most include standard features like MAC filtering (a security measure), WPA2 security, and I thiink offering Gigabit ethernet ports would be good also in case you connect something to it like a hard drive server or a printer or want a fast local network sometime in the future.
I think the router will solve your problem and do a better job of wirelessly distributing your internet signal, but if the problem is due to a faulty wireless card (that receives fine but doesn't transmit properly) in the new iMac, I'd want to get that fixed under warranty (or AppleCare) now rather than later.
One more thing: if your wireless card in the new iMac is working properly but the physical layout is such that the internet sharing isn't working well, you OUGHT to be able to eventually get it to work by moving the other devices you are sharing with around to different locations, as eventually one should end up in a spot that works. If nothing can receive the shared internet from the new iMac, even when 3 feet away, then something might well be wrong with the new iMac's transmitter.

Ethernet connection from iMac to pc transfer question

I'm going to be getting an iMac shortly.
I currently have a Windows PC.
I'm sure I read somewhere that its possible to connect a Mac and a Windows PC together with an Ethernet cable.
What I'm wanting to do is, rather than transfer my music, photos, documents and other stuff to an external hard drive (plus the time it would take to copy the stuff to the external hard drive) and then copy the stuff onto my iMac, I was wondering if there is a way of been able to connect the iMac and the PC together with an Ethernet cable and have both the machines switched on and basically use the Mac to access the hard drive on the Windows PC to then copy the desired information over to the iMac.
I know there is a Migration Assistant application, but I would rather just copy the stuff over that I'm wanting, then at least I know what's been copied over.
If its possible to connect a Mac and a Windows PC together with an Ethernet cable and from there access the information on the Windows PC's hard drive and copy it over to the Mac. If its possible, could someone provide me with the instructions on how to do this please?
Thanks in advance.

tal1971 wrote:
Thanks for the help everyone, really appreciate the help
I already have an external hard drive that would hold everything. Its just I thought it would take a while to copy the stuff over from my Windows PC onto the EHD, then copy the stuff back off of it to my iMac, and thought if I could have linked the iMac and the PC together, the copying would only need to be done once.
I had an idea yesterday. I have a 3.5 inch hard drive caddy/enclosure. My Windows PC is very easy to get into has its got a full side access panel which removes with two thumb screws. I thought I could remove the drive from my Windows PC, place it in the caddy/enclosure and then connect the caddy/enclosure to my iMac, I could then simply access the information and copy it over to my iMac. This would allow me to copy only the required stuff, I would only be copying stuff over once (rather than twice if I were to copy from my PC to a EHD and then to my iMac). The drive would be in the NTFS format (as its been used on a Windows system) but from my understanding Mac can read drives formatted in this, it just cannot write to it without third party software. Would the removing drive, placing it in a caddy/enclousure idea work OK?
Yes that is a great idea, I'd recommend going that route!

Very slow/stalling wifi connection on iMac

I recently purchased the iMac 21.5" Core i3 3.06GHz- I was quite exited about my new computer as I've been thinking about switching to Mac for a couple of months. I was amazed with the software compared to Windows, but so far I'm very dissapointed with the wifi connection.
I connect to a router which is two floors down in the same apartment building (we have an agreement to share the connection with my neighbors)- D-link router using WEP- authentication. On the same spot where I placed my iMac, I regularly get 2-3 out of 5 bars and speeds of approx. 250 kb/s with my corporate Windows7 lenovo PC. However, the iMac wifi connection is very slow- I'm not sure of the exact speed, as the connection is very unstable- sometimes webpages load quickly, but sometimes a simple web-page takes forever. The key issue is downloading files- when downloading a file, the speed starts at 250- 300 kb/s at first, then quickly drops to approx. 50 kb/s, a then usually stalls and the download is rarely finished.
I have tried browsing apple support for help, and found advice to adjust MTU in AirPort settings, and I experimented with various DNS, but niether of these seems to help, my web-browsing and page loading times seem to have improved, but downloading files is still almost impossible. The problem si very frustrating, since I get reliable speed and connection on my lenovo PC on the very same spot as the iMac.
Based on reading internet discussions on this topic this seems to be a rather wide-spread problem with the iMac, and I'm wondering if anyone here has a similar experience and any suggestions for a solution? Can it be an issue with the aluminium body which has poorer reception, and I simply need to move my desk to different location in the apartment?
Thanks, I appreciate all suggestions!

Hello,
Is that Interface dragged to the top of Network>Show:>Network Port Configurations and checked ON?
The Interface that connects to the Internet, needs to be drug to the top of System Preferences>Network>Show:>Network Port Configurations and checked ON.
10.5.x/10.6.x instructions...
System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order.
The interface that connects to the Internet should be dragged to the top of the list.
The interface that connects to the Internet should be dragged to the top of the list.
Then highlight the Ethernet, click Advanced, is it set to Using DHCP, what IP does it Show & Router IP, then click on Proxies tab & make sure none are set, click on the DNS tab and enter these numbers...
208.67.222.222
208.67.220.220

Sharing Internet Connection from iMac to MacBook Pro

I've arrived home for the holiday from university and, of course, brought my MacBook Pro home with me. My family does not have a wireless Internet connection as I do at uni, but they do have an iMac connected to a cable modem via ethernet. So I have enabled Internet connection sharing on the iMac and told the iMac not to sleep unless it is inactive for 3 hours (it gets used frequently enough that this shouldn't be a problem, and the computer can go into sleep mode at night). The iMac screen is set to turn off after about 20 minutes, to save energy.
The iMac's sharing is via AirPort and it has a WEP password. I use my MacBook Pro's AirPort card to connect to the iMac's connection. Unfortunately, after about 20-30 minutes of using the wireless on the MBP, the safari web browser claims that I am not connected to the Internet and the AirPort card gets a "self-assigned" IP address. The solution is to restart the MBP.
Why is this happening, and is there anything I need to do on either of the computers to fix the problem? Both computers are running 10.5.1 with all security updates installed. It's frustrating having to constantly restart the computer when I'm using the Internet.

My problem is similar. I'm trying to do internet share from iMac G5 (w/ iSight) to MacBook Pro, both running 10.5.1. The iMac is connected to dsl/router via ethernet, and I'm trying to internet share to MBP via airport. I cannot establish connection, even though airport shows full strength signal. I checked password over and over and over, and that seems fine. But Network preference panel shows airport to have self-assigned IP.
I tried internet share from iMac to MBP via firewire, but that did not work either.
On a (un)related? note, I used to be able to share screen, but only in one direction. I could control the iMac from my MBP, but never the other way around despite the fact all the firewall and sharing is set identical. Now, even though in both computers I have the other computer showing up in the sidebar of the Finder, screen share and file share fails. I just don't know what happened!

WIFI connection from IMAC to Officejet 6380 keeps failing

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