502 Proxy Error No Buffer Space Is Supported
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| Address Book | Member List | Search | FAQ | Ticket List | Log Out Random 10055 errors Users viewing this topic: none Logged in as: Guest Tree Style Printable Version All Forums >> [ISA Server 2004 General http://forums.isaserver.org/Random_10055_errors/m_200166200/tm.htm ] >> General >> Random 10055 errors Page: [1] Login Message << Older Topic Newer Topic >> Random 10055 errors - 17.May2005 6:48:00 PM siliconjunkie Posts: 3 Joined: 2.Dec.2003 Status: offline We are in the process of upgrading our ISA 2000 boxes to 2004 EE. At the moment we have hit a bit of a show stopper and are at a loss to find why.Every once in a while, one of them will completely lose its 502 proxy mind an display 502 errors to the client browser with error code 10055 referenced. quote:Error Code: 502 Proxy Error. No buffer space is supported. The WinSock implementation was unable to allocate additional memory to accommodate the function request. (10055)There is no lack of physical memory. It can happen at any time of day or night, under heavy load or no load. Peak load is about 8,000 users per server, 60+% network utilization, low point is about 200 users, 3-4% 502 proxy error network utilization.We have a case open with MS, but thus far, we are coming up empty handed. I will refrain from tainting ideas too much and will let you guys suggest what you think may be going on.Some information on the installation:Hardware: Proliant DL380 G2 2x 1.4ghz PIII, 4.3 GB RAM (7 of these), load balanced by a pair f Cisco CSS 11000s. They are used for web proxy only, no VPN, no routing, no firewalling, no publishing. Only ACLs configured are for about a dozen blocked domains. The PIX above it handles what ports/protocols are allowed and not allowed. Post #: 1 Featured Links* RE: Random 10055 errors - 18.May2005 6:37:00 PM siliconjunkie Posts: 3 Joined: 2.Dec.2003 Status: offline No ideas......Even wild guesses are welcome. (in reply to siliconjunkie) Post #: 2 Page: [1] << Older Topic Newer Topic >> All Forums >> [ISA Server 2004 General ] >> General >> Random 10055 errors Page: [1] Jump to: Select a ForumAll Forums---------------------- [Threat Management Gateway (TMG) 2010] - - General - - Installation [Forefront Unified Access Gateway 2010] - - General - - Installation - - DirectAccess [IAG 2007] - - General [ISA 2006 General] - - Installation and Planning - - General [ISA 2006 Publishing] - - Web Publishing - - Server Publishing - - Exchange Publishing - - SharePoint Publishing [ISA 2006 Firewall] - - Genera