Question

Autocad very slow when PC connected to network

Asked by: tangerine27

Autocad is very slow in opperation on PCs on the network. A user has tried opening files from his PC rather than a network share to see if that made any difference. It didn't, but when he unplugged his PC from the network and worked on the same files the speed returned to normal.

The server where the share is located is Windows 2003 and is a domain controller. There is another domain controller across a vpn link.

Anyone got any ideas or a troubleshooting rationale?

Cheers,

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Asked On
2008-05-12 at 03:51:58ID23394129
Topics

AutoCAD Software

,

Windows 2003 Server

,

Windows Networking

Participating Experts
4
Points
500
Comments
5

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Answers

 

by: Trilog-StudiosPosted on 2008-05-12 at 05:04:09ID: 21546111

hi  tangerin27

now to answer or find  out   what the problem is i will need to know the speed of your network.. then is this problem unique to the users pc or is the problem also on other pc's??
then what autocad version is it?
it could be a number of things:
1) something is flooding the network
2) autocad get data from the server in background
if the problem is unique I'd recommend changing networkkard
otherwise i need more information

 

by: RobWillPosted on 2008-05-12 at 05:14:19ID: 21546161

We had a similar question a while back and the following resolved the issue. Your problem may be different but worth having a look:
Having AutoCAD's search for digital signatures enabled can slow down browsing in folders with a number of drawings in the same folder.
http://www.hyperpics.com/tipsandtricks/tips.asp?id=154
This was from the following discussion, there may be more information within that question that can help, though most of it was related to accessing over a VPN:
http://www.experts-exchange.com/Software/System_Utilities/Remote_Access/VPN/Q_21825148.html

The following apply to any type of files, and slow opening/browsing:
Slow browsing or opening of files is often related to Windows searching for old links that no longer exist. This happens on a LAN as well, but it becomes much more obvious over a VPN. Finding these can sometimes be a bit time consuming. A few places to look:
-Network places. Look for links/connections that no longer exist.
  (I prefer to also turn off "automatically search for network folders and printers". Locate by going to the menu bar of my computer | tools | folder options | View | fist item)
-My computer. Look for mapped drives that are disconnected.
-Start menu "recent Documents". To clear; right click on task bar and choose properties | start menu tab | customize | advanced | clear list
-If an applications is slow opening the files from the menu, clear the recent document list within the application. For example to do so in Word; open the application | on the menu bar choose  tools | options | general | un-check "recently used file list | choose OK to apply | then you can go back in and re-enable. Excel is similar.

Other items that may help:
-On the explorer menu bar choose tools | folder options | view | un-check "show pop-up description for folder and desktop items"
-It has also been suggested choosing "use Windows classic folders" on the general tab can help, but I have never found that to help



 

by: phrea84Posted on 2008-05-20 at 15:52:27ID: 21610994

do you have virus scan turned off for network files?  if so, disable the network scan feature.

 

by: AbsntmindPosted on 2008-08-24 at 13:52:25ID: 22302005

1. Go to Internet options, click the advanced tab. Scroll down, and under security, uncheck "check for publishers certificate revocation. Then apply or ok.

2. Right click on any drawing file and select enable/disable digital signatures, then uncheck the box Validate digital signatures and display icons. Click ok.

3. Open registry editor (start/run/, then type msconfig and hit enter). Every one might be slightly different depending on your version, but should be basically the same. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\R17.2\ACAD-7001:409\CadManagerControl\CommunicationCenter
If it's any different, the main thing to get to is  "CadManagerControl\CommunicationCenter". Right click on these keys and select modify, changing the value to 0;
EnableCommunicationCenter
EnableNonPatchNotifications
MaintenancePatchNotificationOption
All entries under the type REG_DWORD in this area should be at a value of 0. This is to truely disable the communication center.

There are some more tweaks you could apply to speed things up, but I would need more info to help you out. We had the same problem at our office, and me personally at home. These fixes made a big improvement on load time for all the machines. Also a good idea to open your antivirus and exclude from active scanning the ACAD exe file and all folders which pertain to acad (including the hidden folder under user documents, application data, Autodesk), along with any files you might have in your path settings (block libs). Good luck.

 

by: RobWillPosted on 2008-12-20 at 05:39:55ID: 23218115

Thanks tangerine27.
Cheers !
--Rob

20120131-EE-VQP-002

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