We have two exchange frontend servers, and two exchange backend servers.
All servers: Windows 2003 ENT SP1
The two exchange frontend servers are in "Windows Network Load Balance"
setup. Sometime back we had an issue with our Outlook Web Access. When I
checked the event logs, I found below mentioned events. All I did was
rebooted the server. After reboot, OWA started working. The problem is, this
occurs very often and we do not have a parmanent fix.
Event Type: Information
Event Source: WinHttpAutoProxySvc
Event Category: None
Event ID: 12503
Description:
The WinHTTP Web Proxy Auto-Discovery Service has been idle for 15 minutes,
it will be shut down.
Event Type: Information
Event Source: WinHttpAutoProxySvc
Event Category: None
Event ID: 12517
Description:
The WinHTTP Web Proxy Auto-Discovery Service suspended operation.
Event Type: Information
Event Source: Service Control Manager
Event Category: None
Event ID: 7036
Description:
The WinHTTP Web Proxy Auto-Discovery Service service entered the stopped
state.
Event Type: Information
Event Source: WLBS
Event Category: None
Event ID: 69
Description:
NLB Cluster ******* : Initiating convergence on host 1. Reason: Host 2 is
leaving the cluster.
Event Type: Information
Event Source: WLBS
Event Category: None
Event ID: 29
Description:
NLB Cluster ********* : Host 1 converged as DEFAULT host with host(s) 1 as
part of the cluster.
Event Type: Warning
Event Source: WLBS
Event Category: None
Event ID: 18
Description:
NLB Cluster ************ : Duplicate cluster subnets detected. The network
may have been inadvertently partitioned.
Event Type: Information
Event Source: WLBS
Event Category: None
Event ID: 63
Description:
NLB Cluster ************ : Initiating convergence on host 1. Reason: Host 2
is joining the cluster.
Event Type: Information
Event Source: WLBS
Event Category: None
Event ID: 29
Description:
NLB Cluster ************ : Host 1 converged as DEFAULT host with host(s) 1,2
as part of the cluster.
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