SMB issue
hi, upgraded our webserver windows 2008. rest of infrastructure still on windows 2003. websites using unc paths pointed on file server in windows 2003 server. sites working fine. 2 months ago, development team came me , told me had issue application under development. application working right except part file generated on file server , same file shown on browser. between 2 windows 2003 server, file show in 2 seconds. between windows 2008 , windows 2003, same file show in 9 seconds. if try same file between 2 windows 2008 servers, take 4 seconds show up.
at first, though problem related iis. i've tried pretty tweaks found on google optimizing iis. nothing worked. recently, dust out wireshark , ran tests between systems. turned out on 2 windows 2003 servers, smb send data in 1 big spike. communication takes 5 seconds overall. on opposite, same communication between windows 2003 , windows 2008, data sended on 2 differents spikes during 13 seconds.
after searching web, i've come change couples registry keys on win2003 server. did improve speed between win2003 servers. still have same 9 long seconds ... i've disable smbv2 on win2008 server, nothing. i've changed registry keys in lanmanworkstation , tcpip on win2008, same result. nothing seems work.
the easy solution upgrade file server win2008. it's not plan year now. again, might not best solution because 4 seconds between win2008 server still twice on win2003 servers. generated file use, rather small compared others come on time.
does might have clue on how better performance in case?
thank help,
fred
hi fred,
please check if step in article tried:
and possible hotfix:
888319 experience connectivity issues when run program accesses data on computer running windows server 2003 or windows xp
http://support.microsoft.com/default.aspx?scid=kb;en-us;888319
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Windows Server > File Services and Storage
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