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#1 Posted : 22 June 2017 10:50:16(UTC)

Rank: Advanced Member

Groups: Registered
Joined: 08/01/2017(UTC)
Posts: 300
United Kingdom
Location: London

We are seeing the following on our Server 2016 VM Hyper-V Host machine

System is an HP DL-380 G8

Not seeing this on any other machines with the same set-up

Log Name: Application
Source: Application Error
Date: 11/06/2017 01:38:15
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: server.domain.suffix
Faulting application name: svchost.exe_CDPSvc, version: 10.0.14393.0, time stamp: 0x57899b1c
Faulting module name: ucrtbase.dll, version: 10.0.14393.0, time stamp: 0x578997b5
Exception code: 0xc0000409
Fault offset: 0x000000000006ea1e
Faulting process id: 0xff8
Faulting application start time: 0x01d2cda5b4f67ff6
Faulting application path: C:\Windows\system32\svchost.exe
Faulting module path: C:\Windows\System32\ucrtbase.dll
Report Id: 97c4964f-3b43-4bbd-90bc-b56a455cd072
Faulting package full name:
Faulting package-relative application ID:
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<TimeCreated SystemTime="2017-06-11T00:38:15.682697000Z" />
<Security />
#2 Posted : 09 April 2019 13:59:41(UTC)

Rank: Administration

Groups: Administrators
Joined: 03/10/2016(UTC)
Posts: 79

This has been seen by other users - the VSS writers and Hyper-V VSS services disappear and they restart the Cryptographic services and Hyper-V manager to bring the backup writers back, until they do this, Windows Server Backup fails.

Our question is - do you have Visual Studio installed on your server?

This can break the cryptographic and Hyper-V services by overloading the backup writers as they try to backup the .net folders in some Windows version. Try removing Visual Studio and installing on a disk you do not need to backup.

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