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Network resource access

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by qmd61

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My Network consist of a single Windows 2000 domain, there is only 1 Server running Windows 2000 Server for Small Business. We use DHCP and DNS on the Server to assign IP address to clients (Windows 2000, NT 4, 98, 95). Users report that occasionallythey cannot access network Resource (sharing by other client computer) using Windows Explorer, but the map drive are always available to use. The users sometimes use command:
ipconfig /release
ipconfig /renew
Then they could browse and access Network.

Does any one experiences the same problem? Would you please show me how to fix this problem. Thank you for your help.

quanduong@outsourcedatacenter.com
713-208-1201

11 replies

by r. a. caluste

Hmm, it sounds like your DHCP clients are not able to renew their IP address leases. They will try to renew their lease at 50% and 87.5% of their lease period. If they cannot renew their lease for some reason (the DHCP server is down or the connection to the server is bad or the Clients boot first before the Server) the client automatically gets the IP address through APIPA (Automatic Private IP Addressing). If the client is not able to contact a DHCP Server, it will self assign an IP Address in the Class B network ID of 168.254.0.0. If this is the case then the client will not be able to access resource in the network until it is given an IP addresses that belongs to the network's subnet. If so, clients should try to a) release their IP address and b) renew their IP address to access the network. This is what you are already doing.

Well, to fix the problem, you should verify that a) the server is up before the clients
b) the connection to the server is ok
c) try to increase thelease expiration from your DHCP server

hope this helps.

by qmd61

DHCP server is working fine: plenty of IP, long expiration and on time renew. Thanks

by gigelul

Also check if in your DHCP scope \properties you have sufficient number of IP's for your clients. If you see a 100% usage, increase the range of IP's.

by yntbom

The user should click START, click SHUTDOWN, and log on as a different user to access their network drive.

by gigelul

Hi,
If I remember correct the SBS is for 50 clients. Check if you exceded this numbers of clients when the problem occured.
Also Win2000, Win9x allow only 10 connections at the same time to a share.

by qmd61

Only this anwser has the same idea with mine, I have 25 licences but only 22 PC, I have the feeling because if PC I working on can Browser the Network fine and then some of other PC could not. But I has 22PC/25 licences. It does not reach the Max. Ibilieve I should have 25 PC acces to the server at the same time. Isn't it? What do you suggest to check?

by gigelul

Hi,
I use WinNT 4.0. SBS have a license manager? Some services require additional client license.
In WinNT I chose "per seat" type of licensing. This mode means one license for each computer and no matter how many additional services require additional licenses.
I don't have a SBS box to give you more details. Hope this help you.

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