When ever I attempt to restart the Microsoft Dynamics CRM VSS Writer I am seeing the following message in the Event viewer
Log Name:      Application
Source:        VSS
Date:          07/01/2016 08:36:26
Event ID:      8193
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      v2-pw-prds-fe01.lab.stl.local
Description:
Volume Shadow Copy Service error: Unexpected error calling routine RegOpenKeyExW(-2147483646,SYSTEM\CurrentControlSet\Services\VSS\Diag\Microsoft Dynamics CRM,...).  hr = 0x80070005, Access is denied.
.
Operation:
   Initializing Writer
Context:
   Writer Class Id: {74bf91e0-e0fa-4ba9-9258-48f4fd1d0445}
   Writer Name: Microsoft Dynamics CRM
   Writer Instance ID: {22dfccbe-8b5f-436b-9902-ef1a26d6426a}
CRM seems to be working fine.  I have read that installing DHCP role on the server can cause this error, but this is not installed on this server.  
Server environment is Windows 2012 R2 and CRM 2013
  
                            
                         
                        
                        
                            
                            *This post is locked for comments
                            
                            
                            
                            
                            
                            
                                I have the same question (0)