Home » Windows OS

A process serving application pool 'DefaultAppPool' suffered a fatal communication error with the Wi

Dear Experts,

We are running Windows Server 2008 and SQL Server 2008. The website works properly as long as the internal functions are concerned, however whenever there is any function involved which communicates with the external server, we receive following error:


Log Name:      System
Source:        Microsoft-Windows-WAS
Date:          12/27/2010 12:15:36 PM
Event ID:      5011
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      WIN-4864693DQZ7
A process serving application pool 'DefaultAppPool' suffered a fatal communication error with the Windows Process Activation Service. The process id was '2780'. The data field contains the error number.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
    <Provider Name="Microsoft-Windows-WAS" Guid="{524B5D04-133C-4A62-8362-64E8EDB9CE40}" EventSourceName="WAS" />
    <EventID Qualifiers="32768">5011</EventID>
    <TimeCreated SystemTime="2010-12-27T07:15:36.000Z" />
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Security />
    <Data Name="AppPoolID">DefaultAppPool</Data>
    <Data Name="ProcessID">2780</Data>


The list of all the services is as follows:

Status   Name               DisplayName                          
------   ----               -----------                          
Running  AeLookupSvc        Application Experience               
Stopped  ALG                Application Layer Gateway Service    
Running  AppHostSvc         Application Host Helper Service      
Running  Appinfo            Application Information              
Stopped  AppMgmt            Application Management               
Running  aspnet_state       ASP.NET State Service                
Stopped  AudioEndpointBu... Windows Audio Endpoint Builder       
Stopped  Audiosrv           Windows Audio                        
Running  BFE                Base Filtering Engine                
Running  BITS               Background Intelligent Transfer Ser...
Stopped  Browser            Computer Browser                     
Running  CertPropSvc        Certificate Propagation              
Stopped  clr_optimizatio... Microsoft .NET Framework NGEN v2.0....
Running  COMSysApp          COM+ System Application              
Running  CryptSvc           Cryptographic Services               
Stopped  CscService         Offline Files                        
Running  DcomLaunch         DCOM Server Process Launcher         
Running  Dhcp               DHCP Client                          
Running  Dnscache           DNS Client                           
Stopped  dot3svc            Wired AutoConfig                     
Running  DPS                Diagnostic Policy Service            
Stopped  EapHost            Extensible Authentication Protocol   
Running  EventLog           Windows Event Log                    
Running  EventSystem        COM+ Event System                    
Stopped  FCRegSvc           Microsoft Fibre Channel Platform Re...
Running  fdPHost            Function Discovery Provider Host     
Running  FDResPub           Function Discovery Resource Publica...
Stopped  FontCache3.0.0.0   Windows Presentation Foundation Fon...
Running  gpsvc              Group Policy Client                  
Stopped  hidserv            Human Interface Device Access        
Stopped  hkmsvc             Health Key and Certificate Management
Stopped  idsvc              Windows CardSpace                    
Running  IISADMIN           IIS Admin Service                    
Running  IKEEXT             IKE and AuthIP IPsec Keying Modules  
Stopped  IPBusEnum          PnP-X IP Bus Enumerator              
Running  iphlpsvc           IP Helper                            
Stopped  KeyIso             CNG Key Isolation                    
Running  KtmRm              KtmRm for Distributed Transaction C...
Running  LanmanServer       Server                               
Running  LanmanWorkstation  Workstation                          
Stopped  lltdsvc            Link-Layer Topology Discovery Mapper 
Running  lmhosts            TCP/IP NetBIOS Helper                
Stopped  MMCSS              Multimedia Class Scheduler           
Running  MpsSvc             Windows Firewall                     
Running  MSDTC              Distributed Transaction Coordinator  
Running  MsDtsServer100     SQL Server Integration Services 10.0 
Stopped  MSiSCSI            Microsoft iSCSI Initiator Service    
Stopped  msiserver          Windows Installer                    
Running  MSMQ               Message Queuing                      
Running  MSSQLFDLauncher    SQL Full-text Filter Daemon Launche...
Running  MSSQLSERVER        SQL Server (MSSQLSERVER)             
Stopped  MSSQLServerADHe... SQL Active Directory Helper Service  
Running  MSSQLServerOLAP... SQL Server Analysis Services (MSSQL...
Stopped  msvsmon80          Visual Studio 2005 Remote Debugger   
Stopped  napagent           Network Access Protection Agent      
Stopped  Netlogon           Netlogon                             
Running  Netman             Network Connections                  
Running  NetMsmqActivator   Net.Msmq Listener Adapter            
Running  NetPipeActivator   Net.Pipe Listener Adapter            
Running  netprofm           Network List Service                 
Running  NetTcpActivator    Net.Tcp Listener Adapter             
Running  NetTcpPortSharing  Net.Tcp Port Sharing Service         
Running  NlaSvc             Network Location Awareness           
Running  nsi                Network Store Interface Service      
Stopped  pla                Performance Logs & Alerts            
Running  PlugPlay           Plug and Play                        
Running  PolicyAgent        IPsec Policy Agent                   
Running  ProfSvc            User Profile Service                 
Stopped  ProtectedStorage   Protected Storage                    
Stopped  RasAuto            Remote Access Auto Connection Manager
Running  RasMan             Remote Access Connection Manager     
Stopped  RemoteAccess       Routing and Remote Access            
Running  RemoteRegistry     Remote Registry                      
Running  ReportServer       SQL Server Reporting Services (MSSQ...
Stopped  RpcLocator         Remote Procedure Call (RPC) Locator  
Running  RpcSs              Remote Procedure Call (RPC)          
Stopped  RSoPProv           Resultant Set of Policy Provider     
Running  sacsvr             Special Administration Console Helper
Running  SamSs              Security Accounts Manager            
Stopped  SCardSvr           Smart Card                           
Running  Schedule           Task Scheduler                       
Stopped  SCPolicySvc        Smart Card Removal Policy            
Running  seclogon           Secondary Logon                      
Running  SENS               System Event Notification Service    
Running  SessionEnv         Terminal Services Configuration      
Stopped  SharedAccess       Internet Connection Sharing (ICS)    
Running  ShellHWDetection   Shell Hardware Detection             
Running  slsvc              Software Licensing                   
Running  SLUINotify         SL UI Notification Service           
Stopped  SNMPTRAP           SNMP Trap                            
Running  Spooler            Print Spooler                        
Stopped  SQLBrowser         SQL Server Browser                   
Running  SQLSERVERAGENT     SQL Server Agent (MSSQLSERVER)       
Running  SQLWriter          SQL Server VSS Writer                
Stopped  SSDPSRV            SSDP Discovery                       
Running  SstpSvc            Secure Socket Tunneling Protocol Se...
Stopped  swprv              Microsoft Software Shadow Copy Prov...
Stopped  SysMain            Superfetch                           
Running  TapiSrv            Telephony                            
Stopped  TBS                TPM Base Services                    
Running  TermService        Terminal Services                    
Stopped  Themes             Themes                               
Stopped  THREADORDER        Thread Ordering Server               
Running  TrkWks             Distributed Link Tracking Client     
Running  TrustedInstaller   Windows Modules Installer            
Stopped  UI0Detect          Interactive Services Detection       
Running  UmRdpService       Terminal Services UserMode Port Red...
Stopped  upnphost           UPnP Device Host                     
Running  UxSms              Desktop Window Manager Session Manager
Stopped  vds                Virtual Disk                         
Stopped  VSS                Volume Shadow Copy                   
Running  W32Time            Windows Time                         
Running  W3SVC              World Wide Web Publishing Service    
Running  WAS                Windows Process Activation Service   
Stopped  WcsPlugInService   Windows Color System                 
Stopped  WdiServiceHost     Diagnostic Service Host              
Running  WdiSystemHost      Diagnostic System Host               
Stopped  Wecsvc             Windows Event Collector              
Stopped  wercplsupport      Problem Reports and Solutions Contr...
Running  WerSvc             Windows Error Reporting Service      
Running  WinHttpAutoProx... WinHTTP Web Proxy Auto-Discovery Se...
Running  Winmgmt            Windows Management Instrumentation   
Running  WinRM              Windows Remote Management (WS-Manag...
Stopped  wmiApSrv           WMI Performance Adapter              
Stopped  WPDBusEnum         Portable Device Enumerator Service   
Running  wuauserv           Windows Update                       
Stopped  wudfsvc            Windows Driver Foundation - User-mo...

I am a new-by in this so i am in need of some desperate help!



<< Previous      Next >>

Microsoft   |   Windows   |   Visual Studio   |   Sharepoint   |   Azure