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Problems Accessing NAS Drives From Windows XP

Hello,

I've got two NAS drives on my network in addition to a Win 7 Pro box and a Win XP Pro box. I've configured the NAS drives for static IP addresses and mapped network drives for them on both Windows machines. The Win 7 box has no problems accessing the drives but the Win XP box hangs for minutes at a time (in Explorer) whenever I try to traverse directories in one of the NAS drives that contain many folders/files. Eventually Explorer comes back to life but the simple act of hitting F5 to refresh the directory (without changing folders) sends it into a coma again even though the information hasn't changed. The XP box also appears to be not listing all of the sub-folders in one of my larger folders (the sub-folders are there when viewed from the Win 7 but not the XP box).

I've consulted with a colleague of mine and he suggested I disable the following services in administrator tools --> services:

Computer Browsing Service
Indexing Service
Simple File Sharing Service

The high latency/hanging behavior has not changed as a result of disabling these services.  I've also received a suggestion (on another forum) to disable (delete registry key) browsing of remote scheduled tasks.  I tried that as well but no dice.

Does anyone have any idea why I may be experiencing such a high-latency response from the XP box? When I open task manager performance, CPU allocation, etc. the PC isn't doing anything while Explorer is hung (not that I can tell anyway).

Thank you,

CTL-ALT-DEL
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CTL-ALT-DEL
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CTL-ALT-DEL
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1 Solution
 
Patmac951Commented:
For testing purposes have you tried to map the NAS drive by IP address and not name?

Example map: \\192.168.1.200\<sharename>

I have seen DNS issues cause this problem.
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CTL-ALT-DELAuthor Commented:
Thank you for the suggestion.  I just tried this and it doesn't seem to help.  :(
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MrKrimesCommented:
Try turning of simple file sharing on the windows XP box this will allow that system to access network resources it can be found under Tools>Folder Options>View Tab>Uncheck Use simple file sharing. Once this is off everything should be fine!

HTH
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CTL-ALT-DELAuthor Commented:
Hi MrKrimes,

I already have Simple File Sharing disabled in Explorer (See my original question).  :O)

Regards,

CTL-ALT-DEL
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MrKrimesCommented:
Have you tried disabling SMB signing on the NAS. This will give you faster transfers and can muck up viewing folder structures if there is an issue with it. check out this link...

http://support.microsoft.com/kb/887429
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Darr247Commented:
What version of XP Pro is it? (e.g. SP1? SP2? SP3?)

Have you tried disabling NetBIOS over TCP ?
Start->Run, NCPA.CPL [Enter], right-click network adapter and choose Properties.
Scroll down to and select Internet Protocol (TCP/IP), click the Properties button.
On the General tab, click the Advanced button.
On the WINS tab, uncheck Enable LMHOSTS lookup, and punch the Disable NetBIOS over TCP/IP radio button.
OK, OK, OK back out.

Note that with NetBIOS disabled, using \\IP.add.re.ss\sharename in the mapping, as previously suggested, may be required.
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rindiCommented:
Make your folders smaller (contain less files). This makes browsing and refreshing much faster.
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CTL-ALT-DELAuthor Commented:
MrKrimes:

This is a little over my head.  I read the MS link and made the change to the registry on my XP box.  I logged into my NAS and cannot find any option for disabling SMB signing therein.  If I look in the Samba Log on the NAS I can see entries for SMBD version x.x.xx started.

Do I need to disable SMB signing on both sides for this to work?

Also, is this going to impact security for WAN (internet) communications if I disable this?

Thank you,

CTL-ALT-DEL


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CTL-ALT-DELAuthor Commented:
rindi:

Are you seriously suggesting that I redesign my database to get around a networking problem?
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Darr247Commented:
I have clicked the Stop Monitoring link.
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CTL-ALT-DELAuthor Commented:
I don't know how to tell Darr247 that I'm trying his suggestion now since he's not monitoring the thread anymore.  I have XP Service Pack 3.  The suggestion to disable NetBIOS over TCP did not work.  I'm starting to think that my only solution is to upgrade this box to Windows 7 since that box has no problems with the NAS at all.

I really appreciate everyone's suggestions even though there doesn't appear to be a workable solution.

Regards,

CTL-ALT-DEL
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Patmac951Commented:
Have you tried replacing the NIC on the XP box yet? If you have tried all the above suggestions and you are only having this problem with the XP box it might be a hardware or drivers issue on the Network card.

I know you have spent many hours trying to troubleshoot this issue it might be best for testing purposes to put a a new PCIE NIC in the XP box, disable the current NIC in the BIOS if it is integrated on the motherboard and give that a try.
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Patmac951Commented:
Another thought it could be a cabling, switch or port issue.  If possible replace the ethernet cable from the switch to the XP box and make sure you plug in the new cable into a different port on the switch or even better yet if possible another switch.
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CTL-ALT-DELAuthor Commented:
Thanks Patmac:

I actually have 2 different integrated NICs on this mobo so I will try the other one in addition to switching the cable, port, etc. before swapping in a PCIE NIC.  I need to get some other work done now so I will continue the debug process either later today or tomorrow.  :O)

Regards,

CTL-ALT-DEL
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Patmac951Commented:
Another suggestion before you try the other integrated NIC,  I would highly recommend downloading and installing the latest NIC drivers from the motherboard manufacturer along with the latest BIOs update if available.
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CTL-ALT-DELAuthor Commented:
Patmac,

My NIC link was connected at 1Gbit and I could copy files to/from the drive really fast once Explorer came back from the dead, so I ruled out a bad NIC, cable, port, etc.

The good news is that updating the driver fixed the problem.  The revision of the NIC driver in Control Panel hasn't changed but something else under the hood apparently has.  My mobo is quite old and this driver update is from 9/1/2008.  The version that WAS installed before I upgraded was 8/1/2008.  So this may be the last thing they fixed!  :O)

Thanks again!

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