Netflow Analysis data source is unavailable

Document ID : KB000005037
Last Modified Date : 14/02/2018
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Issue:

NPC displays a 'Synchronization Failure' under the Data Source List when doing a Global Synchronization with NFA.

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The View Data Source Log in NPC shows Error: The response received from the server was complete but indicated a protocol-level error. The request failed with HTTP status 503: Service Unavailable.

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The Application Pools for Reporter Analyzer show 'Stopped'

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Environment:
NetQoS Performance Center; Network Flow Analysis
Cause:

A GPO push may have wiped away permissions and subsequently caused the Application Pools to stop thereby causing the HTTP status 503: Service Unavailable.

Resolution:

Restart the Application Pools

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Redo the permissions with Full control on IIS_IUSRS and IUSR in the web Properties for: D:\NETQOS\Reporter

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 Under Component Services, navigate to My Computer Properties and Allow Permissions for IIS_IUSRS and IUSR under the COM Security tab

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From a Command Prompt, reset IIS

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