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Tuesday, October 16, 2012

DFM error: Java.net.SocketException: No buffer space avaliable ( maximum connection reached)


NetApp Oncommand/DFM/NMC error: Java.net.SocketException: 
No buffer space avaliable ( maximum connection reached)

Permanent Solution:-
Kernel sockets leak on a multiprocessor computer that is running 
Windows Server 2008 R2 or Windows 7

http://support.microsoft.com/kb/2577795 



Temporary Solution:-

This is the error i came across OnCommand running on windows 2008 R2 server.

The solution is to increase the connection in windows 2008 server.

1) Open the windows command line and check how many ports are opened.


C:\>netsh int ipv4 show dynamicport tcp

Protocol tcp Dynamic Port Range
---------------------------------
Start Port      : 49152
Number of Ports : 16384

2) Increase the number of ports with the command

C:\>netsh int ipv4 set dynamicportrange protocol=tcp startport=5000 numberofports=60536

3) confirm again

C:\>netsh int ipv4 show dynamicport tcp

Protocol tcp Dynamic Port Range
---------------------------------
Start Port      : 5000
Number of Ports : 60536

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