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Maximum connections to server

Posted on 2014-01-31
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Last Modified: 2015-02-24
My users are getting the following message when attempting to log on to their workstations:

"No more connections can be made to this remote computer at this time because there are already as many connections as the computer can accept."

After their desktops appear, their mapped drives are not present and I am unable to manually open any server shares.

Our DC is Windows 2000 AD.  (Yes, I know, we need to replace our server.  But we don't even have a shoestring budget here...more like a thread.)  It is licensed in Per Server mode with 38 concurrent connections.  The shares are all already set to Maximum Allowed.

I think the quick and easy solution is to add licenses...but I'm not sure if that will help and where I can find W2K licenses at this late date.
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Question by:Kerry Wilson
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7 Comments
 
LVL 70

Expert Comment

by:KCTS
ID: 39825110
Servers don't have a max connection limit - this message is being generated by the workstation - are users sharing local drives/printers ?
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Author Comment

by:Kerry Wilson
ID: 39825210
Really?  That is not how I read that error message.

This started just this morning and it is happening on more than one workstation.  So it seems implausible that it's the workstation generating the message.

Yes. Most (maybe all) of the users have multiple mapped drives to the server and many of them have shared printers.  The only local drive sharing is the standard hidden share (C$) although there may be one or two explicit local drive shares out there I don't recall right now.
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LVL 70

Expert Comment

by:KCTS
ID: 39825267
The max number of connections to a workstation is 10 for 'professional/enterprise' versions of a desktop OS and 5 for 'home' editions.
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Author Comment

by:Kerry Wilson
ID: 39825351
So, if a given workstation (XP Pro) has 10 mapped drives and 7 of them are mapping to folder on the server and the other trhee  map to a folder on three different computers.  Is that 10 connections or is that 4?  (Just trying to figure this out.)
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LVL 70

Accepted Solution

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KCTS earned 500 total points
ID: 39825533
It does not matter how many outbound connections there are either way - outbound connections are unlimited - its inbound connections that matter. A desktop OS is only allowed to have 10 inbound connections (note that this is not necessarily 10 different shares or printers - its connections - one computer may have several connections to another)
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Author Comment

by:Kerry Wilson
ID: 39921565
This problem cleared up during routine file maintenance after which the server was re-booted.  It has appeared again since then.  

I have discovered an additional clue.  When this message is presented at the workstations, I have a message on the server console that it is approaching or at the maximum number of licenses.  So, I think the maximum connections message is coming from the server and it is related to being at the maximum licenses.

Does this make sense?  I think it does but I'm not sure.  And, I think the solution is to add more licenses.
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Author Closing Comment

by:Kerry Wilson
ID: 40628719
The problem was solved by adding licenses to the server.
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