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WSUS - No client computers have ever contacted the server

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Last Modified: 2014-10-02
Hi Experts

I've inherited a WSUS configuration where no clients have ever contacted the server.

WSUS - Version: 3.2.7600.226
OS - Server 2008 R2 Standard

WSUS is installed on an application server (not a DC). Updates have downloaded successfully and the server has groups configured for "PC" and "Server", however no computer has ever checked in.

======
Log Name:      Application
Source:        Windows Server Update Services
Date:          19/05/2014 21:37:56
Event ID:      13051
Task Category: 6
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      <server>.<domain>.local
Description:
No client computers have ever contacted the server.
======

GP Is configured as follows;

Client PCs
- Download and schedule the install
- Microsoft update location; http://<server>:8530
- Client side targetting enabled, group = PC

Servers
- Download and notify
- Microsoft update location; http://<server>:8530
- Client side targetting enabled, group = Server

I've check gpresult and the GPs are being applied to the clients.

Website access
If I browse to http://:server>:8530 from itself or anywhere else on the network I get nothing (no authentication errors, nothing)

However if I browse to http://<server>:8530/iuident.cab from itself or anywhere on the network I am prompted to download the file

Browsing to these sites produce nothing;
http://swserver02:8530/SimpleAuthWebService/SimpleAuth.asmx

I discovered that the Windows firewall was turned off. This has been put back on with an inbound exception for port 8530 put in but no change.
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