System information

SetCfgStr("settings","priorityboost","false");
SetCfgStr("settings","wrongnumcache","100");
SetCfgStr("SIPSettings","MAXSUBSMSGCOUNT","35000");
SetCfgStr("SIPSettings","MAXWRONGMSGALLOWED","4000");
SetCfgStr("SIPSettings","MAXWRONGAUTHFROMIP","3000");
SetCfgStr("SIPSettings","MAXFAILEDAUTHENABLEDIPPORT","170");
SetCfgStr("supervisor","maxnocdrmin","6000");
SetCfgStr("supervisor","maxnologival","20");
SetCfgStr("SIPSettings","MAXH323GKCDRCACHE","400");
SetCfgStr("CallCenter","maxcallatonce","1000");
SetCfgStr("CallCenter","maxcallsperminute","5000");
SetCfgStr("CallCenter","predectivemaxsucccalls","500");
SetCfgStr("CallCenter","stopwrongcdrc","400");
SetCfgStr("settings","allowlastwrongnum","true");
SetCfgStr("settings","maxroutereqpermin","5000");
SetCfgStr("settings","MAXEPCOUNTTRESHOLD","1000");
SetCfgStr("settings","checkmaxcalls","500");
SetCfgStr("settings","maxauththreads","9");
SetCfgStr("settings","maxivrthreads","9");
SetCfgStr("settings","maxasyncqueryhreads","9");
SetCfgStr("settings","maxroutingthreads","9");
Set HKLM\System\CurrentControlSet\Services\AFD\Parameters\FastSendDatagramThreshold value to 1450 (decimal)
Increase HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\LanmanServer\Parameters\IRPStackSize
netsh int ipv4 set dynamicport tcp start=40000 num=64000
http://blogs.technet.com/b/vipulshah/archive/2006/11/30/understanding-perfmon-counters-while-troubleshooting-sql-server-performance-issues.aspx
http://support.microsoft.com/kb/126962
http://technet.microsoft.com/en-us/library/cc966401.aspx
http://technet.microsoft.com/en-us/library/cc966420.aspx
http://msdn.microsoft.com/en-us/library/cc558565%28v=bts.10%29.aspx
SELECT * FROM sys.dm_os_performance_counters
5.93. How to reset a failowered gateway/direction
-set tb_users.nopriority to any date-time in the past
-open failoweing and reset the failowered gateways
-check if all gateways have provider pricing