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Weird latency when openening documents

Posted on 2006-05-01
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Last Modified: 2009-12-16
I wasn't sure if I rather post this in the application forum or OS, if this is the wrong one, please move :)

On some stations, we have the problem that when opening documents in Word for example of when looking for file to attach in Outlook, or even when openening shared drives, we have a huge latency. Sometimes it takes 2 minutes until you can actually see the explorer when attaching files. We first though it might be the network since we work with shared drives.

However, most of the PCs are just fine, so therefore it makes actually no sense that the problem is network related .. and for the reason I don't believe it is a problem with the actuall PC...

I am kinda lost here ... again, the problem is mostly when trying to open anything and hitting browse to search the exploerer etc.

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Question by:Cassavatech
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by:The_IT_Garage
ID: 16577325
Questions:

Do these machines have local drive mappings to locations that no longer exist?
Are you running only TCP/IP? (No NetBEUI - adds network traffic!).
Is it all shares, so just some?
Is it slow the first time or every time to these files?
Is it slow if you UNC to the share (\\servername\sharename) and fast if you use IP address \\serverIP\sharename)?
Do all machines have the same AV programs and same AV settings per machine?
Is DNS set the same for each machine?
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by:Cassavatech
ID: 16577944
1. Every machine, including those in question, have no access to local drives, only two network drives are being mapped upon login which are getting disconnected again upon logoff

2. Only TCP / IP - no NetBEUi

3. All shared, but the latency occours already before accessing the actuall share, try to add an attachement to an email for example. as location, you have a drop down menu where you can chose between desktop / explorer etc. When clicking the small arrow on that particular drop down, it already takes about 2 minutes to open the drop down menu

4. Don't know to be honest, I need to check this

5. We never tried using IP only as this would require chaning the logon script which would affect most in the company including departements where we cannot afford to interrupt :(

6. Yes, all machines running Symantec Antivirus Corporate Edition Version 8.x which are connected to the same server

7. Yes, all machines have static IP settings and set to the correct DNS server (will check that anyway, to be sure)
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by:The_IT_Garage
ID: 16578230
It sounds like a browsing issue and the affected machiens are waiting for a timeout before finally showing the browsing window.

For 5. you can try it as a troubleshooting step. At a machine that the browsing is slow click START...RUN....\\ServerIP\SHARE...does that come up slowly?

Are all these machines on the same subnet?
Is NetBIOS over TCP/IP enabled for all these machines?
Anything telling in the event logs of the affected machines? (probably not, but stil la good palce to look).

FYI If you use DHCP you can manage all the IP settings from one location and eliminate the possibilty of some PC's being configured differently from others are far as TCP/IP settings.

In any case look for network and running services differences between the machines that are OK and the machines that aren't.
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by:e_sandrs
ID: 16579085
Ok, I know this may sound like crazy-talk, but take a look at your installed printers and printer settings.

In my experience, every time Word does anything (open, save, print, page settings, etc) it also wants to talk to the default printer.  We had some computers that were denied access to their default printers (because of a WinXP vs. Linux print queue issue) and they exhibited behavior alot like you are talking about.

So, even though you may not be using Linux (samba) print queues, you could experiment with changing the default printer on a machine with the issue and see if it goes away.  Any network printer could potentially cause the delays like we saw - I imagine.

If it turns out to be a printer thing, then we have to get into "why"...
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by:studlyed
ID: 16582035
this is an odd suggestion, but i was banging my head against the wall for a day figuring this out. there was a corrupted bitmap (file table) for the ntfs filesystem on drive c.
run chkdsk for each of your harddrives.
if that doesnt do it
check dns settings on your systems,
wins,
turn them all off.
turn one on
let it boot all the way up
then turn on the others
could be a network browser problem
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by:jgus
ID: 16582074
Are you dealing with this MS Update issue?  It sounds like it.

http://support.microsoft.com/kb/918165
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by:wgenglan
ID: 16582990
Another thing to consider are your security settings on each machine.  If a particular machine is set to test everything
against a strong security level, you get  a tremendous latency.  Also, if your restrictions in effect take a while to
process, you might be better off using local caching of files, and using a version management system to square
things up with the other users/machines on the network... just a suggestion...opening office files over a network
is seldom fast, and often terribly slow.  Opening local files, then allowing a version management system to do
updates over the network in the background can reduce latency and bandwidth hogging a lot...
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by:Cassavatech
ID: 16584469
Sorry for the late response, was quite a lot to try out ...

So, we changed everything to IPs : same problem
Drives are defraged : same problem
Checkdisk : same problem
Printer : even removed : same problem

We are now checking the NICs .. our switches are 100MBit, but we have Gigabit card in there ... we need to check what happenes when we change the linkspeed to 100M fix ,.,.
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by:wgenglan
ID: 16587714
Cassavatech,

Don't forget to consider cabling as an issue.  A single weak termination at  a connector gave us a fit where I work for
months, then we just swapped one patch cable at the switch and fixed a lot of latency/connection issues.  Just a thought...

Good luck!
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by:Cassavatech
ID: 16674912
So, we tested further, def. no cableing issue either ;(
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by:Cassavatech
ID: 16678306
Could a moderator please close / delete this ?
Thanks
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by:The_IT_Garage
ID: 16684503
Got me...the only other suggestion would be to see if browsing using IP instead of <hostaname> is faster on the afectde PC's. Don't change the login script, just a manually map via IP from one of the affected machines and see if it makes a difference.

One last thought - there aren't any HOSTS or LMHOSTS entries that are invalid are there?

If the user wants this closed and we've been unable to solve it then sure, refund and close it :-(.
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by:Cassavatech
ID: 16684523
Yeah, we tried really everything ... all the machines are replicated, from the same make etc. NICs changed, cables changed no luck ... DNS ..etc . works perfect .. IPs used instead hostname etc. etc. :( :(
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by:e_sandrs
ID: 16684595
I would recommend PAQ and Refund for this question instead of Delete.  

If an answer is ever found it could be added here for future searches, and I feel the steps listed could be a good troubleshooting guide for another expert in the future (unless everyone thinks these ideas are covered adequately in other questions).

Sorry we couldn't help you - it's always a sad moment when a question is refunded for no answer...
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