Vista SP2 RC SP2 maximum number of open TCP connections
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Friday, March 06, 2009 4:39 AMVista SP2 introduces "a registry key that enables modification of the maximum number of open TCP connections to increase application compatibility"
Where does one find this registry key?
All Replies
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Friday, March 06, 2009 11:54 PMHI all,
Sorry I can't help with an answer. I'm after the same information as well.
Thanks
Mick -
Saturday, March 07, 2009 8:29 PMSame here. Any info regarding this?
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Wednesday, March 11, 2009 2:56 AMAnybody?
Seems strange to advertise a feature that nobody knows how to turn on or test...
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Sunday, March 15, 2009 12:55 PMBump, where's this feature?
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Monday, March 23, 2009 4:04 AM
In Sp2, we changed the behavior of maximum number of half-open TCP connections.
RTM/Sp1:
At any given time, maximum of 10 half open TCP connections were supported.
Sp2:
This limit is removed.
- Proposed As Answer by Carlos Sosa Albert Monday, March 23, 2009 7:28 PM
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Monday, March 23, 2009 7:28 PMKalpesh [MSFT] said:
In Sp2, we changed the behavior of maximum number of half-open TCP connections.
RTM/Sp1:
At any given time, maximum of 10 half open TCP connections were supported.
Sp2:
This limit is removed.
So, hopefully, we should not see anymore the hideous Event ID 4226?
Thanks! -
Thursday, April 30, 2009 6:06 PM
No but it looks like we got Event ID 4228 instead which aparently is more or less the same... so where is that registry key?Kalpesh [MSFT] said:In Sp2, we changed the behavior of maximum number of half-open TCP connections.
RTM/Sp1 :
At any given time, maximum of 10 half open TCP connections were supported.
Sp2 :
This limit is removed.
So, hopefully, we should not see anymore the hideous Event ID 4226?
Thanks! -
Thursday, April 30, 2009 10:46 PMYikes? 4228?!
And what about Win7?
Is MS only lifting the restriction from Vista because soon only 2 or 3 people will be using it? -
Friday, May 01, 2009 7:21 PM
No but it looks like we got Event ID 4228 instead which aparently is more or less the same... so where is that registry key?
Strange. I don't have any 4228... -
Wednesday, May 06, 2009 5:14 PMThis article has just appeared with the registry key: http://support.microsoft.com/kb/969710
Note however that the default behavior has changed: by default the limit of 10 is removed under SP2. The registry puts the limit back and reverts you to the behavior under SP1. -
Wednesday, May 06, 2009 5:51 PMSmart decision. So now we await news on Win7. In RC, at least, TCP-Z still seems to think that the limitation exists, so it appears not to be implemented in Win7 yet. I don't have Vista SP2 to be able to run TCP-Z there to determine if it's a reliable indicator.
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Wednesday, May 27, 2009 2:40 AMRseiler
find link
http://technet.microsoft.com/en-us/windows/dd262148.aspx
SP2 For vista and server 2008 are available now for download. I have had the service pack beta installed now for some time and it works great. no need for windows 7 for fix.
good luck
Marc
Thanks

