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Over the past few days, a number of users have reported Windows 7 vss 8193 error.
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Windows events can be logged by the system and used to troubleshoot problems during Envision or file and folder backups. Microsoft Windows Shadow Copy Service (VSS) logs warning and error events when VSS fails. These events are a valuable reservoir for troubleshooting system problems. …
A system trace on one of my servers running Windows Server 2016 started sending multiple reflections of a Volume Shadow Copy Service error with event ID 8193 and VSS as the source. The complete error information in the Event Viewer (Application Log) looks like this:
Copy error in Volume Shadow Copy Service: Unexpected error when calling routine RegOpenKeyExW (-2147483646, SYSTEM CurrentControlSet Services VSS Diag, ...). Time 0x80070005, = Access Denied.Operation:Writer initializationContext:% MINIFYHTMLb5bdc426b817a5035bf92ebd42cdf8ae5% Writer Class ID: e8132975-6f93-4464-a53e-1050253ae220Author name: AuthorSystem instance ID entry: 4f096fb4-2e00-4864-aa8f-885aa9186850
At the same time, the server works fine, there were no problems with services or applications. There was no error in the list of VSS modules, such as the VSS writer ID.
VSS EventID 8193 is a known issue typically associated with installing the DHCP role on a device on a Windows Server 2008 (or later) host server under an account withnetwork service, and the current permissions to the HKEY_LOCAL_MACHINE registry key have been lost. SYSTEM CurrentControlSet Services VSS Diag.
The problem is related to the installation of most of the VSS – DHCP Jet Writer modules and is responsible for creating correct shadow copies of the DHCP service. This VSS module changes the permissions in the specified registry that are required during installation.
To resolve this error, specify that you manually grant the described key full control over the network service.
- Start Registry Editor (
regedit.exe); - Go to the computer registry key HKLM SYSTEM CurrentControlSet services VSS Diag and open its permissions setting (permissions in the context menu);
- Find the network service in the list and assign full control rights.
Instead of manually including the edit registry, right It is better to restore the failed payment permissions in the registry key using a special command line tool – SubInACL. Download and install it (if you haven’t already) and run the following commands:
In Windows Server 2008 R2, administration looks like this (according to the Microsoft Knowledge Base):
Then override the newborn (nested) object permissions in the Registry Editor. To do this, open the properties of the Diag-Reg element and click -> “Permissions” “Advanced” -> “Replace all permissions for subordinate objects”.
PS. While developing this article, I noticed that this is usually another VSS error with the above event (!!!) EventID 8193 and the correct description:
Unexpected Volume Shadow Copy Service error: an error occurred while configuring the ConvertStringSidToSid routine (S-1-5-21-2470146651-3958396388-212345117-21232.bak). hr = 0x80070539, SID structure is invalid.Operation:OnIdentify eventCollecting data about authorsContext:Execution Context: Shadow Copy WriterWriter Optimization Class ID: 4dc3bdd4-ab48-4d07-adb0-3bee2926fd7fAnd My author: Shadow Copy WriterWriter Optimization Instance ID: 5e5d68e6-9c97-4af6-a09f-bb2db4c65058.
For the sake of completeness, I can certainly describe the solution to this problem as.
This error prevents you from performing a system state backup or backing up Hyper-V virtual machines (via Windows server What backup), results in the following error: “ 0x80042308: l 'The specified object was not found â €.
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In fact, this problem is fixed in another way and is associated with an incorrect entry in the profile HKLM Software Microsoft Windows Vital Point NT CurrentVersion ProfileList. The problem arises because VSS is in the service market (Shadow Copy Optimization Writer component), definitely cannot find user profile with .bak SID extension and returns a new error. You must remove the leader specified in the ConvertStringSidToSid event description (S-1-5-21-2470146651-3958396388-212345117-21232.bak).
- Open
regedit.exe; - Go to HKLM Software Microsoft Windows NT CurrentVersion ProfileList;
- Find and remove the key entry with the suffix .bak;
- Restart this computer and try again to save the wonderful task.
This document describes an issue where you get a valid ID of 8193 if you restart the Cryptographic Services when installing the DHCP role.
Applies to: Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Original KB number: 2298620
Symptoms
You are installing DHCP tasks on your computer. When restarting a specific Cryptographic Service, the following event was logged in the Application log:
Protocol name: application
Source: VSS
Date: Date / Time
Event ID: 8193
Task category: none
Level: Error
Keywords: classic
User: N / A
Computer:
Description:
Volume Shadow Copy Error: Service Unexpected error when calling routine RegOpenKeyExW (-147483646, SYSTEM CurrentControlSet Services VSS Diag, …). hr = access 0x80070005, denied.
Company:
Initialize editor
Context:
Class ID Writer: e8132975-6f93-4464-a53e-1050253ae220
Author Name: System Writer
Writer Instance ID: 7bb41431-3960-44bc-a29c-3b42d2301fc3
Reason
If the DHCP server role is installed correctly, read access to the following registry key (and all subkeys) will be overwritten when the DHCP service account is added:
Each time the Cryptographic Services service starts, it initializes the “System Writer” under the Network Service account and therefore checks the read and write permissions for the following Windows registry key on your computer:
Since the network service account is used to access this key, you cannot find the authorization for the network service. Therefore, VSS logs an “Access Denied” event.
Resolution
Volume Dark Copy and DHCP server continue to function properly, you can ignore these events.
-
Run PowerShell as administratorTorah.
-
How do I check for VSS errors?
Open the opening instructions.At the command prompt, enter vssadmin selection provider and press Enter.Make sure the Microsoft VSS provider is listed as:At the command line, enter vssadmin Variety Writer and / or press Enter.Make sure all VSS authors see:
Run the watch command. Make sure you don’t have the very last newline in the middle
. insert
$ path matches 'HKLM: System CurrentControlSet Services VSS Diag '$ sddl = 'D: PAI (A ;; KA ;;; BA) (A ;; KA ;;; SY) (A ;; CCDCLCSWRPSDRC ;;; BO) (A ;; CCDCLCSWRPSDRC ;;; LS) (A; ; CCDCLCSWRPSDRC ;;; NS) (A; CIIO; RC ;;; OW) (A ;; KR ;;; BU) (A; CIIO; GR ;;; BU) (A; CIIO; GA ;;; BA) (A; CIIO; GA ;;; BO) (A; CIIO; GA ;;; LS) (A; CIIO; GA ;;; NS) (A; CIIO; GA ;;; SY) (A; CI; CCDCLCSW ;;; S-1-5-80-3273805168-4048181553-3172130058-210131473-390205191) (A; ID; KR ;;; AC) (A; CIIOID; GR ;;; AC) S: ARAI '$ acl = Get-Acl -path $ path$ acl.SetSecurityDescriptorSddlForm ($ sddl)Set-Acl -Pfad $ Path -AclObject $ acl
- 2 minutes to read.
How do I fix VSS error?
On the target computer, run an elevated command prompt as a director.Run the vssadmin list followers command and also note any authors that are in a Failed state.Open services.Open Task Chef and close processes to see associated failed VSS writers…Let’s go back to services.
Although this event is logged, the volume shadow copy and DHCP server continue to function as expected. Although this event is logged as an error, the event should not be considered a fatal error that could affect the overall proper functioning of VSS. The specified registry value is used for diagnostic purposes.
How do I reinstall VSS service?
VSS Recovery Strategy # 2 1. Open vssadmin from the command line (run cmd as administrator). 2. Enter vssadmin delete shadows / all to clear all VSS dead snapshots in the air.
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