VSS Writers & Services

List of VSS Writers & Its Corresponding Services

List of Writers:

VSS Writer	Service Name	Service Display Name
ASR Writer	VSS	Volume Shadow Copy
BITS Writer	BITS	Background Intelligent Transfer Service
COM+ REGDB Writer	VSS	Volume Shadow Copy
DFS Replication service writer	DFSR	DFS Replication
DHCP Jet Writer	DHCPServer	DHCP Server
FRS Writer	NtFrs	File Replication
FSRM writer	srmsvc	File Server Resource Manager
IIS Config Writer	AppHostSvc	Application Host Helper Service
IIS Metabase Writer	IISADMIN	IIS Admin Service
Microsoft Exchange Writer	MSExchangeIS	Microsoft Exchange Information Store
Microsoft Hyper-V VSS Writer	vmms	Hyper-V Virtual Machine Management
NTDS	NTDS	Active Directory Domain Services
OSearch VSS Writer	OSearch	Office SharePoint Server Search
OSearch14 VSS Writer	OSearch14	SharePoint Server Search 14
Registry Writer	VSS	Volume Shadow Copy
Shadow Copy Optimization Writer	VSS	Volume Shadow Copy
SPSearch VSS Writer	SPSearch	Windows SharePoint Services Search
SPSearch4 VSS Writer	SPSearch4	SharePoint Foundation Search V4
SqlServerWriter	SQLWriter	SQL Server VSS Writer
System Writer	CryptSvc	Cryptographic Services
TermServLicensing	TermServLicensing	Remote Desktop Licensing
WINS Jet Writer	WINS	Windows Internet Name Service (WINS)
WMI Writer	Winmgmt	Windows Management Instrumentation

Findig WSUS Server in an unknown environment

Findig WSUS Server In An Unknown Environment

Find below registry key in case you ever tumble upon a new environment in where you have no idea which WSUS Server is providing update to the client.

1. Click Start
2. Select "RUN"
3. Type "regedit" It will open registry editor (Be very cautious while working with registry, Suggested is to take the backup of registry before modifying it always.
4. Go to below registry entry

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\WUServer

Your WSUS Server will be mentioned in "WUServer" entry.