While we run backup on Windows 2012 R2 Machines . We keep getting below events VssWriterCallback interface. hr = 0x80070005, Access is denied. Even though it doesn’t cause any problem while taking backups. while troubleshooting VSS . it becomes tedious as it generates these events as soon as the vss been called by any application.
Log Name: Application
Date: 7/21/2018 12:06:56 PM
Event ID: 8194
Volume Shadow Copy Service error: Unexpected error querying for the IVssWriterCallback interface. hr = 0x80070005, Access is denied.
. This is often caused by incorrect security settings in either the writer or requestor process.
Gathering Writer Data
Start – Run dcomcnfg
Right Click My Computer – Properties
Click on Edit Default
Add Network Services with Read Access.
Restart Volume Shadow Copy Service