No more status reports since patch day (2015-03-10)

Question

I installed all the available updates on my Server 2012 R2 with WSUS
In the evening, I noticed that all clients had a "Last Contact" only some minutes ago, but the "Last Status Report" column showed me a time from the morning when all updates were installed.
On some clients, I manually executed
wuauclt /detectnow
wuauclt /reportnow
and the "Last Contact" column was updated, but not the "Last Status Report". The clients also told me that there
are no new updates available which was wrong. So I removed all installed updates on my server, and the clients could find the updates again. What can I check to fix this problem?

Answer 1

Michael,
I am seeing the same behavior. A mix of Windows 7 and 2012 Servers with each of them updating their respective "Last Contact", but "Last Status Report" is not updating. However, I think I can add something. All systems were having their
status updated correctly until I updated the 2012 Server running WSUS this AM. Since 10:19 AM there have been no new Status Reports. That was just after the WSUS server restarted.
I am now seeing this logged on the Server;
Log Name:      Application
Source:        Windows Server Update Services
Date:          3/13/2015 10:26:10 AM
Event ID:      12002
Task Category: 9
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      ************
Description:
The Reporting Web Service is not working.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Windows Server Update Services" />
    <EventID Qualifiers="0">12002</EventID>
    <Level>2</Level>
    <Task>9</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2015-03-13T14:26:10.000000000Z" />
    <EventRecordID>6041</EventRecordID>
    <Channel>Application</Channel>
    <Computer>*************</Computer>
    <Security />
  </System>
  <EventData>
    <Data>The Reporting Web Service is not working.</Data>
  </EventData>
</Event>