Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

Hyper V - Specified Network name is no longer available.

Posted on 2011-02-23
5
Medium Priority
?
1,092 Views
Last Modified: 2012-05-11
I have a Dell PowerEdge 2950 server running Hyper V.  I have 6 guests on this host.  

The domain controller for this network (Server 2003) is a VM on this host.  Another VM is used for the mail server (Exchange 2003/Server 2003), as well as a file server on Server 2008.

If large files (over 10mb or so) are copied over our site to site VPN, they always fail with the message "specified network name is no longer available" however the mapped drive is still visible.  

I did some testing, and this occurs when the file shares are on one of the VM's.  If the files are directly on the Hyper V host itself, the issue does not occur.  I can only assume its a network setting within the Virtual Network Manager or the VM's themselves...

Tips appreciated.
0
Comment
Question by:mikeshaver
5 Comments
 
LVL 23

Expert Comment

by:bhanukir7
ID: 35014271
hi,

Can you confirm the OS running on the problem VM and if possible turn off SNP on that machine. This feature introduced in Win2003 R2 and continued has caused problems many a time.

Try disabling TCPChimney as mentioned in this MS KB article

http://support.microsoft.com/kb/951037

regards
bhanu

0
 
LVL 4

Expert Comment

by:colditzz
ID: 35168100
This maybe applicable to your situation.
http://go.microsoft.com/fwlink/?LinkId=201917
0
 
LVL 1

Accepted Solution

by:
mikeshaver earned 0 total points
ID: 35306630
I ended up putting a new nic in this server and the problem "seems" to have gone away.
0
 
LVL 1

Author Closing Comment

by:mikeshaver
ID: 35340033
installed new NIC
0
 

Expert Comment

by:the_cyman
ID: 37514389
It might have been TOE... TOE tends to mess up VMware and HyperV clients. It should be disabled according to the manufacturers instructions.
0

Featured Post

VIDEO: THE CONCERTO CLOUD FOR HEALTHCARE

Modern healthcare requires a modern cloud. View this brief video to understand how the Concerto Cloud for Healthcare can help your organization.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A safe way to clean winsxs folder from your windows server 2008 R2 editions
Resolving an irritating Remote Desktop connection that stops your saved credentials from being used.
To efficiently enable the rotation of USB drives for backups, storage pools need to be created. This way no matter which USB drive is installed, the backups will successfully write without any administrative intervention. Multiple USB devices need t…
This tutorial will walk an individual through the process of transferring the five major, necessary Active Directory Roles, commonly referred to as the FSMO roles to another domain controller. Log onto the new domain controller with a user account t…

879 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question