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    <title>topic Service not started: HttpListener error in QlikView</title>
    <link>https://community.qlik.com/t5/QlikView/Service-not-started-HttpListener-error/m-p/776121#M1259273</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;We are performing a DRP test on a QlikView Server 11.2 SR5 (without Publisher), .NET 4.5.&lt;/P&gt;&lt;P&gt;On "normal" server, everything was working.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Production server has been shut down and DRP server have been started.&lt;/P&gt;&lt;P&gt;The DNS name of the second server is change with the good alias.&lt;/P&gt;&lt;P&gt;Only QlikView Server Service is started.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Other services has the same error:&lt;/P&gt;&lt;P&gt;Service cannot be started. System.Net.HttpListenerException (0x80004005): The format of the specified network name is invalid&lt;/P&gt;&lt;P&gt;at System.Net.HttpListener.AddAllPrefixes()&lt;/P&gt;&lt;P&gt;at System.Net.HttpListener.Start()&lt;/P&gt;&lt;P&gt;at QlikView.AccessPoint.HttpServiceComponent.CreateAndStartHttpListener()&lt;/P&gt;&lt;P&gt;at QlikView.AccessPoint.HttpServiceComponent.Init(String[] args)&lt;/P&gt;&lt;P&gt;at QlikView.AccessPoint.HttpServiceComponent.Start(String[] args)&lt;/P&gt;&lt;P&gt;at QlikView.AccessPoint.AccessPointServer.OnStart(String[] args)&lt;/P&gt;&lt;P&gt;at System.ServiceProcess.ServiceBase.ServiceQueuedMainCallback(Object state)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN"&gt;In configuration files (c:\ProgramData\QlikTech...) there is no reference to IP address.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN"&gt;&lt;SPAN lang="EN"&gt;Does anybody know this error?&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN"&gt;&lt;SPAN lang="EN"&gt;Thanks&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN"&gt;&lt;SPAN lang="EN"&gt;Vincent&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Mon, 26 Jan 2026 18:19:17 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2026-01-26T18:19:17Z</dc:date>
    <item>
      <title>Service not started: HttpListener error</title>
      <link>https://community.qlik.com/t5/QlikView/Service-not-started-HttpListener-error/m-p/776121#M1259273</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;We are performing a DRP test on a QlikView Server 11.2 SR5 (without Publisher), .NET 4.5.&lt;/P&gt;&lt;P&gt;On "normal" server, everything was working.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Production server has been shut down and DRP server have been started.&lt;/P&gt;&lt;P&gt;The DNS name of the second server is change with the good alias.&lt;/P&gt;&lt;P&gt;Only QlikView Server Service is started.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Other services has the same error:&lt;/P&gt;&lt;P&gt;Service cannot be started. System.Net.HttpListenerException (0x80004005): The format of the specified network name is invalid&lt;/P&gt;&lt;P&gt;at System.Net.HttpListener.AddAllPrefixes()&lt;/P&gt;&lt;P&gt;at System.Net.HttpListener.Start()&lt;/P&gt;&lt;P&gt;at QlikView.AccessPoint.HttpServiceComponent.CreateAndStartHttpListener()&lt;/P&gt;&lt;P&gt;at QlikView.AccessPoint.HttpServiceComponent.Init(String[] args)&lt;/P&gt;&lt;P&gt;at QlikView.AccessPoint.HttpServiceComponent.Start(String[] args)&lt;/P&gt;&lt;P&gt;at QlikView.AccessPoint.AccessPointServer.OnStart(String[] args)&lt;/P&gt;&lt;P&gt;at System.ServiceProcess.ServiceBase.ServiceQueuedMainCallback(Object state)&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN"&gt;In configuration files (c:\ProgramData\QlikTech...) there is no reference to IP address.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN"&gt;&lt;SPAN lang="EN"&gt;Does anybody know this error?&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN"&gt;&lt;SPAN lang="EN"&gt;Thanks&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN"&gt;&lt;SPAN lang="EN"&gt;Vincent&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 26 Jan 2026 18:19:17 GMT</pubDate>
      <guid>https://community.qlik.com/t5/QlikView/Service-not-started-HttpListener-error/m-p/776121#M1259273</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2026-01-26T18:19:17Z</dc:date>
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