For more information see the following Microsoft
Knowledge base articles:
948732 Network shares become unresponsive
after some time on a Windows Server 2003-, 2008 or 2008 R2-based computer
running Symantec Endpoint Protection prior to 11.0.4202 (MR4-MP2) or Symantec
Antivirus 10.2, and you receive an error message
http://support.microsoft.com/kb/948732961293
Unable to access Shares "The specified network name is no longer available"
when Symantec Endpoint Protection prior to 11.0.4202 (MR4-MP2) or Symantec
Antivirus 10.2 are installed on a Windows 2003, 2008 or 2008 R2 Server
961654 A file sharing connection to a Windows Server 2008-based
server drops unexpectedly if the server has Symantec Endpoint Protection prior
to 11.0.4202 (MR4-MP2) or Symantec Antivirus 10.2 installed
http://support.microsoft.com/kb/961654948732
Network shares become unresponsive after some time on a Windows Server 2003-,
2008 or 2008 R2-based computer running Symantec Endpoint Protection prior to
11.0.4202 (MR4-MP2) or Symantec Antivirus 10.2, and you receive an error
message
http://support.microsoft.com/kb/948732953615
Clients cannot get IP address from a Windows Server 2003 based DHCP server with
Symantec Endpoint Protection 11.0 installed
http://support.microsoft.com/kb/953615822219
Your system stops responding, you experience slow file server performance, or
delays occur when you work with files that are located on a file server
http://support.microsoft.com/default.aspx?scid=kb;EN-US;822219Microsoft
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