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Can not access a shared drive

Posted on 2015-01-16
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Last Modified: 2015-01-30
I am unable to access a shared drive after computers were moved to different rooms.  The computers do not see each other when I look under "Network" but I believe they are connected to the same modem (they are both connected via an Ethernet cable.

The computer with the shared drive has assigned IP Version 4 assigned IP and DNS addresses...done by a person who originally set up the network and shared drive.  The other computer is set to automatic and before the move was able to access the shared drive on the other computer.

I am working remotely.

Where do I go next?
Thank you,
Mags
Quish-Mariah-ip-settings-cropped.jpg
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Question by:Mags
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48 Comments
 
LVL 97

Expert Comment

by:John Hurst
ID: 40554505
Did changing rooms change subnets?  If this is case, a static IP would not adapt.

Is there a good reason NOT to use DHCP?  Probably not.

Change the static computer to DHCP and reset TCP/IP

Open cmd.exe with Run as Administrator
Then  netsh int ip reset c:\resetlog.txt
Also, ipconfig /flushdns followed by net stop dnscache followed by net start dnscache

Then restart and test.
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LVL 19

Expert Comment

by:helpfinder
ID: 40554519
check IP address on both PCs using command ipconfig
compare if the IPs are correct
try to ping the PC with shared folder from the another one if you get reply.
check firewall (windows or 3th party) on PC  with share and if it is on try temporarly turn it off and test the connection
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Author Comment

by:Mags
ID: 40554644
Hi John -
Did changing rooms change subnets?  If this is case, a static IP would not adapt.  - No, the subnets did not change

Is there a good reason NOT to use DHCP?  Probably not. - I'm not sure...the gentleman who set it up used one...he is not the most cooperative.

Change the static computer to DHCP and reset TCP/IP - I am working remotely and can't risk disconnecting the computer from the network as I can not access it...do you see this as being an issue?

Hi helpfinder -
check IP address on both PCs using command ipconfig - Done
compare if the IPs are correct - Correct compared to what?  Sorry if that is a uneducated question.
try to ping the PC with shared folder from the another one if you get reply. Pinged it and received the message Sent = 4 and Received = 4

It seems strange but each computer shows different devices on their respective "Network".  What would that say to you?
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LVL 97

Expert Comment

by:John Hurst
ID: 40554651
Please let us know about resetting TCP/IP when you get a chance. This reset can fix things.
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Author Comment

by:Mags
ID: 40554659
John I can do this remotely but will it disconnect her computer from the network?
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LVL 97

Expert Comment

by:John Hurst
ID: 40554660
The reset will disconnect the computer and it needs a restart to test.
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Author Comment

by:Mags
ID: 40554671
I will then need to be at the office.  Thanks.
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Author Comment

by:Mags
ID: 40554673
It seems strange but each computer shows different devices on their respective "Network".  What would that say to you?
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LVL 97

Expert Comment

by:John Hurst
ID: 40554675
It could relate to the Network and Sharing setting and if it is set to Private or Public and if Network Discovery is on or off.
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Author Comment

by:Mags
ID: 40554688
Frustrating because the only thing that happened was the computers were put in different rooms.  No other settings were changes.

Computer A - computer with the shared drive
Computer B - computer trying to access the shared drive

Computer B use to be able to connect top the shared drive on A.

Computer B can ping Computer A
Computer A can not ping Computer B...with or without the firewall on...request timed out
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LVL 97

Expert Comment

by:John Hurst
ID: 40554698
The IP settings are strange and I have fixed a number of such issues with my above reset (which a Microsoft method).
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LVL 3

Expert Comment

by:Dimitris Ioakimoglou
ID: 40554722
Could you please let us know what subnets you use and how your machines are interconnected? (switches, routers etc)

Also VLANS (if any) etc would be useful.
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Author Comment

by:Mags
ID: 40554723
Okay...thanks for your help.  If you are around Tuesday John I may be in need of more advice, I won't have access physically until then, but will try your suggestions on Tuesday.  Enjoy your weekend.
Mags
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Author Comment

by:Mags
ID: 40554725
Dimitris the subnets are the same on both computers - 255.255.255.0.  They are both connected to the modem via Ethernet.  It is an office building that I won't have access to until Tuesday to research further.  I do have remote connection.
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LVL 97

Expert Comment

by:John Hurst
ID: 40554728
Mags:   255.255.255.0 is a subnet MASK and not a subnet. The subnet is 10.1.10.x

I am always here and just let us know.
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LVL 3

Expert Comment

by:Dimitris Ioakimoglou
ID: 40554733
And you're saying you have one-way pings, right? Could it be that the modem/router is running some kind of L2 firewall and has different zones assigned to the ports used?

The fact that computers A and B show different things in the network folder, leads me to believe they are in completely different broadcast domains. As if port A and port B on the modem were not part of the same network (different VLANS perhaps.) Also can you make sure that when you're pinging computer B from A, the mac address resolved is indeed the mac address of computer B?
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Author Comment

by:Mags
ID: 40554735
Thanks for the correction John.  Dimitris...I will need physical access.  I will check back on Tuesday.

I appreciate all of your help guys.
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Author Comment

by:Mags
ID: 40555687
As you all probably concluded if each computer is seeing different Network devices they are most likely connected to different modems.  At this point I do not know if that is changeable or not.

This may be why the other tech assigned the Computer A (shared drive) static (is this correct?) IP and DNS Server addresses.

So my question is if they are on different networks (and can't be easily changed) can you help me share the drive between computers?  I will be in her office Tuesday morning around 9 MDT.

Thanks for you assistance!  Have an amazing weekend.
Mags
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Author Comment

by:Mags
ID: 40560326
I have bigger problems than connecting the network Drive.  Her hard drive failed over the weekend.  Making recovery disks now.

Heading down to take a look at their network configuration.
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LVL 97

Expert Comment

by:John Hurst
ID: 40560332
It is entirely within reason that the initial drive failing corrupted the operating system.

Recover and setup carefully and it all may work.
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Author Comment

by:Mags
ID: 40562056
Good Morning,
     Okay, I was able to re-install her operating system, recovered her files from her cloud back up and am updating the computer.
     I have a clean slate to work with.  The drive she wants to share is not mapped and/or shared at this point.  Her computers are on different networks.  The maze of Ethernet cable in the network room is crazy and seemingly unlabeled...no one seems to know much about it.
     I have her computer with me, not in her office yet.  What is the best way to continue?
Thanks a million!
Mags
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LVL 97

Expert Comment

by:John Hurst
ID: 40562064
Check the IPCONFIG (from a command line) to make sure what network the computer is on and what cable it is plugged into. Check subnets carefully.

TCP/IP should be fine because you just reinstalled the OS.
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Author Comment

by:Mags
ID: 40562087
Good Morning John,
     Sounds like this needs to be done from her office.  Is there anything I should do before I take her computer back there?
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LVL 97

Expert Comment

by:John Hurst
ID: 40562101
Check out networking where you are (not sharing of course). If basic networking is fine (Internet and so on), then sharing should work at the other office assuming on the same subnet.
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Author Comment

by:Mags
ID: 40562118
Okay...her computer is updating.  When that finishes I will send over the information you requested.
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Author Comment

by:Mags
ID: 40562187
Here you go -

Initial ipconfig
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LVL 97

Assisted Solution

by:John Hurst
John Hurst earned 1500 total points
ID: 40562228
Thank you. From way back here, the subnet was 10.1.1.x

Above, the subnet is 10.0.0.x

The subnet of the machine needs to be the same as the subnet of the machine with the shared drive.  (Or else you need to do some routing).
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Author Comment

by:Mags
ID: 40562253
Okay...I will supply you with additional information when I hook up the computer in her office.

Do I need to map or share the folder she wants shared before hand?
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LVL 97

Expert Comment

by:John Hurst
ID: 40562263
Get the computer set up first, check the subnet of the PC and the Sharing machine that they are the same and then map the drives after.
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Author Comment

by:Mags
ID: 40562285
Will do.

SP 1 just finished and I still need to install SP 2.  As you know this take a while and she would like me to set up things asap.  Should I finish the windows updates or can they be performed after I get her computer set up?

Thanks for holding my hand John.
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Author Comment

by:Mags
ID: 40562368
Get the computer set up first, check the subnet of the PC and the Sharing machine that they are the same and then map the drives after.

By subnet do you mean the Default gateway?  Sorry I am asking simple questions but I usually share folders on the same network and hers are not...new territory.

I assume if they are not I will need to make changes in the IP Properties...is this correct?
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LVL 97

Expert Comment

by:John Hurst
ID: 40562378
No. Subnets are not gateways. Subnets are the overall range of IP address.

You just reinstalled the computer. Do not go changing TCP/IP on the computer or you will be in a mess again.

The wiring, network and switches should put you on the right subnet.

If this is over your head, get a network consultant in to fix things.
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Author Comment

by:Mags
ID: 40562425
I may have to contact their network consultant but we are trying to avoid that since they do not like working with him and he is not willing to share his expertise with me.

I will let you know what I come up with and hopefully you can help walk me through things.

Your assistance is greatly appreciated.  I will be there in about a half an hour.
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LVL 97

Expert Comment

by:John Hurst
ID: 40562435
The "subnets" are controlled by the network, router and switches. Computers do not make subnets. So if you are on a different subnet (first question here) sharing won't work like you expect.

So you do need to get assistance.
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Author Comment

by:Mags
ID: 40562687
Here are the two ipconfigs

Computer with Shared drive

Shared computer
Bloomberg computer

Bloomberg computer
Where do I go next?
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LVL 97

Expert Comment

by:John Hurst
ID: 40562727
You need some onsite networking help.

One network is 10.1.10 which might be OK.

The other network is 192.168.1.x which has nothing to do with a 10. network (both are internal IP ranges).
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Author Comment

by:Mags
ID: 40562752
Ok...I will call their network consultant.  He can connect remotely and do his thing.

Thanks for trying John.
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LVL 97

Expert Comment

by:John Hurst
ID: 40562762
Thanks. I understand what I am asking you and how I might do it on my own turf, but I do not know the networking there (cannot) and so I do not want to misguide you.
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LVL 97

Expert Comment

by:John Hurst
ID: 40563140
Did the network person get you going?
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Author Comment

by:Mags
ID: 40563274
He hasn't called me back.

With the little bit of additional knowledge I was able to get the printers on the same subnet and am able to print from each corresponding computer!!

The computers just can't see each other since they are on different networks.  Too big a mess in the Network room, nobody knows anything and nothing is marked.

The network guy did some routing last time to connect them.
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Author Comment

by:Mags
ID: 40569544
The network guy can not resolve the issue by putting their computers on the same network and will not instruct or show me on how to resolve the issue.

I decided to put the folder in OneDrive so everyone with permission can access it, even while out of the office.  Situation resolved.

Thanks for trying to help me.
Mags
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LVL 97

Expert Comment

by:John Hurst
ID: 40569555
You need a different network person because I showed everything one can do about subnets. Too bad your network guy does not know what he/she is doing.
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Accepted Solution

by:
Mags earned 0 total points
ID: 40569603
John I think he knows what he is doing.  He could resolve the issue with a visit but is just unwilling to show me.  That's one reason why they have me, even if I don't know everything.

The network room is a mess and there seems to be no rhyme or reason to it's set up, nothing is marked but there may be a schematic somewhere.

In any case, I have resolved the issue by making the needed folder available to the entire office via OneDrive.
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LVL 97

Expert Comment

by:John Hurst
ID: 40569611
The question was "cannot access shared drives after changing rooms"  Answer is "because the subnets changed"  

It is not really down to me that your network won't resolve the issue for you.

I understand your workaround, but I did answer your question.
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Author Comment

by:Mags
ID: 40569763
John your answer "because the subnets changed" may be correct and your suggestion "you do need to get assistance" is  a resolution but I was hoping to receive instruction to do it myself.  Since I apparently don't have the network knowledge to do so which answer of yours should I select?
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LVL 97

Expert Comment

by:John Hurst
ID: 40569771
Because you could not solve the networking issue and then figured out a workaround, you can do the following:

Select http#a40569603 as your solution (0 points) and http#a40562228 (my solution) as the assist to your answer because it pointed to the changed subnets as the issue. It took us a while to get there, but it was the issue that allowed to you go to a workaround.

I hope this helps.
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LVL 97

Expert Comment

by:John Hurst
ID: 40569778
Thank you for following up. I am pleased you got going in a satisfactory manner. I am not real pleased with your network support person. No matter, you do have a solution and I was happy to help you along the way.
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Author Closing Comment

by:Mags
ID: 40579379
It was the only option I could come up with and do myself.
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