So dann hier mal ein auszug aus der Windowsupdate.log. Die Fehler die hier angezeigt werden waren vor der neuinstallation nicht vorhanden. Der Port is übrigens der gleiche geblieben.
2008-03-04 13:20:36:549 1080 230 Agent ** START ** Agent: Finding updates [CallerId = AutomaticUpdates]
2008-03-04 13:20:36:549 1080 230 Agent *********
2008-03-04 13:20:36:549 1080 230 Agent * Online = Yes; Ignore download priority = No
2008-03-04 13:20:36:549 1080 230 Agent * Criteria = "IsHidden=0 and IsInstalled=0 and DeploymentAction='Installation' and IsAssigned=1 or IsHidden=0 and IsPresent=1 and DeploymentAction='Uninstallation' and IsAssigned=1 or IsHidden=0 and IsInstalled=1 and DeploymentAction='Installation' and IsAssigned=1 and RebootRequired=1 or IsHidden=0 and IsInstalled=0 and DeploymentAction='Uninstallation' and IsAssigned=1 and RebootRequired=1"
2008-03-04 13:20:36:549 1080 230 Agent * ServiceID = {3DA21691-E39D-4DA6-8A4B-B43877BCB1B7}
2008-03-04 13:20:36:627 1080 230 Misc Validating signature for C:\WINDOWS\SoftwareDistribution\SelfUpdate\Default\wuident.cab:
2008-03-04 13:20:36:877 1080 230 Misc Microsoft signed: Yes
2008-03-04 13:20:53:174 1080 230 Misc WARNING: Send failed with hr = 80072efd.
2008-03-04 13:20:53:174 1080 230 Misc WARNING: SendRequest failed with hr = 80072efd. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2008-03-04 13:20:53:174 1080 230 Misc WARNING: WinHttp: SendRequestUsingProxy failed for <
(Du musst Dich Einloggen oder Registrieren um Multimediadateien oder Links zu sehen).. error 0x80072efd
2008-03-04 13:20:53:174 1080 230 Misc WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x80072efd
2008-03-04 13:20:53:174 1080 230 Misc WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x80072efd
2008-03-04 13:20:53:174 1080 230 Misc WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x80072efd
2008-03-04 13:20:56:345 1080 230 Misc WARNING: Send failed with hr = 80072efd.
2008-03-04 13:20:56:345 1080 230 Misc WARNING: SendRequest failed with hr = 80072efd. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2008-03-04 13:20:56:345 1080 230 Misc WARNING: WinHttp: SendRequestUsingProxy failed for <
(Du musst Dich Einloggen oder Registrieren um Multimediadateien oder Links zu sehen).. error 0x80072efd
2008-03-04 13:20:56:345 1080 230 Misc WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x80072efd
2008-03-04 13:20:56:345 1080 230 Misc WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x80072efd
2008-03-04 13:20:56:345 1080 230 Misc WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x80072efd
2008-03-04 13:20:59:627 1080 230 Misc WARNING: Send failed with hr = 80072efd.
2008-03-04 13:20:59:627 1080 230 Misc WARNING: SendRequest failed with hr = 80072efd. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2008-03-04 13:20:59:627 1080 230 Misc WARNING: WinHttp: SendRequestUsingProxy failed for <
(Du musst Dich Einloggen oder Registrieren um Multimediadateien oder Links zu sehen).. error 0x80072efd
2008-03-04 13:20:59:627 1080 230 Misc WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x80072efd
2008-03-04 13:20:59:627 1080 230 Misc WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x80072efd
2008-03-04 13:20:59:627 1080 230 Misc WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x80072efd
2008-03-04 13:21:02:799 1080 230 Misc WARNING: Send failed with hr = 80072efd.
2008-03-04 13:21:02:799 1080 230 Misc WARNING: SendRequest failed with hr = 80072efd. Proxy List used: <(null)> Bypass List used : <(null)> Auth Schemes used : <>
2008-03-04 13:21:02:799 1080 230 Misc WARNING: WinHttp: SendRequestUsingProxy failed for <
(Du musst Dich Einloggen oder Registrieren um Multimediadateien oder Links zu sehen).. error 0x80072efd
2008-03-04 13:21:02:799 1080 230 Misc WARNING: WinHttp: SendRequestToServerForFileInformation MakeRequest failed. error 0x80072efd
2008-03-04 13:21:02:799 1080 230 Misc WARNING: WinHttp: SendRequestToServerForFileInformation failed with 0x80072efd
2008-03-04 13:21:02:799 1080 230 Misc WARNING: WinHttp: ShouldFileBeDownloaded failed with 0x80072efd
2008-03-04 13:21:02:799 1080 230 Misc WARNING: DownloadFileInternal failed for
(Du musst Dich Einloggen oder Registrieren um Multimediadateien oder Links zu sehen). error 0x80072efd
2008-03-04 13:21:02:799 1080 230 Setup FATAL: IsUpdateRequired failed with error 0x80072efd
2008-03-04 13:21:02:799 1080 230 Setup WARNING: SelfUpdate: Default Service: IsUpdateRequired failed: 0x80072efd
2008-03-04 13:21:02:799 1080 230 Setup WARNING: SelfUpdate: Default Service: IsUpdateRequired failed, error = 0x80072EFD
2008-03-04 13:21:02:799 1080 230 Agent * WARNING: Skipping scan, self-update check returned 0x80072EFD
2008-03-04 13:21:03:595 1080 230 Agent * WARNING: Exit code = 0x80072EFD
2008-03-04 13:21:03:595 1080 230 Agent *********
2008-03-04 13:21:03:595 1080 230 Agent ** END ** Agent: Finding updates [CallerId = AutomaticUpdates]
2008-03-04 13:21:03:595 1080 230 Agent *************