ACRONIS Backup & Recovery 11.5 Server for Windows Guide de l'utilisateur Page 215
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- Table des matières
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215 Copyright © Acronis International GmbH, 2002-2012
7. Restart the domain controller in normal mode. Make sure that the Active Directory service has
started successfully.
8. Change the account for the Acronis service back to the original one, similarly to step 4.
11.4.4 Restoring accidentally deleted information
If the domain has other domain controllers, you can use the Ntdsutil tool to perform an
authoritative restore of certain entries only. For example, you can restore an unintentionally deleted
user account or computer account.
To restore accidentally deleted information
1. Perform steps 15 from "Restoring the Active Directory database" (p. 214) to restart the domain
controller into Directory Services Restore Mode (DSRM) and to restore the Active Directory
database.
2. Without exiting DSRM, run the following command:
Ntdsutil
3. At the tool's command prompt, run the following commands:
activate instance ntds
authoritative restore
4. At the tool's command prompt, run the restore subtree or restore object command with
the necessary parameters.
For example, the following command restores the Manager user account in the Finance
organizational unit of the example.com domain:
restore object cn=Manager,ou=Finance,dc=example,dc=com
For more information about using the Ntdsutil tool, refer to its documentation.
Details. Other objects will be replicated from other domain controllers when you restart the
domain controller. This way, you will restore the unintentionally deleted objects and keep the
other objects up-to-date.
5. Restart the domain controller in normal mode. Make sure that the Active Directory service has
started successfully and that the restored objects have become available.
11.4.5 Avoiding a USN rollback
If the domain has two or more domain controllers and you have recovered one of the controllers or
its database, you need to avoid a situation known as a USN rollback.
Replication and USNs
Active Directory data is constantly replicated between the domain controllers. At any given moment,
the same Active Directory object may have a newer version on one domain controller and an older
version on another. To prevent conflicts and loss of information, Active Directory tracks object
versions on each domain controller and replaces the outdated versions with the up-to-date version.
To track object versions, Active Directory uses numbers called Update Sequence Numbers (USNs).
Newer versions of Active Directory objects correspond to higher USNs. Each domain controller keeps
the USNs of all other domain controllers.
- User Guide 1
- Copyright Statement 3
- Table of contents 4
- 1.2.1 Agent for Windows 10
- 1.2.2 Management Console 11
- 1.4 Supported file systems 12
- 1.5 Technical Support 12
- Product Updates 13
- 2 Getting started 14
- Step 5. Recovery 15
- Step 6. Management 15
- Navigation tree 16
- Operations with pane 17
- 2.1.2.1 Views 18
- 2.1.2.2 Action pages 19
- 2.1.3 Console options 20
- 2.1.3.2 Credentials cache 21
- 2.1.3.3 Fonts 21
- 2.1.3.4 Pop-up messages 21
- 3.1 Owners 23
- Task credentials 24
- Full backup 27
- Incremental backup 27
- (Windows) 29
- 3.10 Support for SNMP 32
- Supported operations 33
- About the test message 33
- 4 Backup 34
- How to back up 35
- Plan parameters 36
- Criteria: full path 38
- Criteria: name 38
- Wildcard characters 38
- 1. Selecting the destination 39
- 4.2.6 Backup schemes 42
- At a glance 43
- Description 43
- Parameters 43
- Examples 44
- Roll-back period 50
- 4.2.7 Archive validation 51
- Parameters specification 53
- Restrictions 54
- 4.3.1 The [DATE] variable 55
- 4.3.3 Usage examples 56
- 4.4 Scheduling 59
- 4.4.1 Daily schedule 60
- 4.4.2 Weekly schedule 62
- 4.4.3 Monthly schedule 64
- 4.4.5 Conditions 68
- 4.4.5.1 User is idle 69
- 4.4.5.3 Fits time interval 70
- 4.4.5.4 User logged off 71
- Usage scenarios 72
- 4.5.1 Supported locations 73
- Simple scheme 74
- Tower of Hanoi scheme 74
- Custom scheme 74
- Consolidate these backups 76
- 4.5.6 Usage examples 77
- 4.6 Default backup options 78
- 4.6.1 Additional settings 81
- 4.6.2 Archive protection 82
- 4.6.3 Backup cataloging 82
- 4.6.4 Backup performance 83
- 4.6.5 Backup splitting 84
- 4.6.6 Compression level 85
- 4.6.8 Error handling 87
- 4.6.9 Event tracing 87
- 4.6.9.2 Windows event log 88
- 4.6.12 File-level security 89
- 4.6.13 Media components 90
- 4.6.14 Mount points 91
- 4.6.16 Notifications 92
- 4.6.17 Pre/Post commands 93
- 4.6.17.1 Pre-backup command 94
- Skip the task execution 99
- Use VSS 99
- Do not use VSS 100
- Volume shadow copy writers 100
- 5 Recovery 101
- When to recover 102
- Task parameters 102
- 5.1.1 What to recover 103
- 5.1.1.2 Data catalog 104
- 5.1.4 Where to recover 107
- Disk destination 108
- NT signature 108
- Disks/volumes 110
- MBR destination 111
- Volume destination 111
- Changing volume properties 111
- Size and location 111
- File system 112
- Volume (partition) alignment 112
- Where to recover 113
- 5.1.5 When to recover 114
- 5.1.6 Task credentials 114
- During recovery 116
- Without recovery 116
- Preparation 116
- Universal Restore settings 117
- The recovery process 117
- How it works 118
- Recommendations 118
- Limitations 118
- 5.3.1 Recovering volumes 119
- 5.3.2 Recovering disks 120
- 5.4 Acronis Active Restore 122
- How to use 123
- 5.5.2 About Windows loaders 126
- 5.7.1 Additional settings 129
- 5.7.2 Error handling 129
- 5.7.3 Event tracing 130
- 5.7.4 File-level security 131
- 5.7.5 Mount points 131
- 5.7.6 Notifications 132
- 5.7.7 Pre/Post commands 133
- 6.1 Conversion methods 135
- Logical and dynamic volumes 137
- Custom loader reactivation 137
- 6.2.2.1 Conversion settings 138
- 6.2.3.1 Steps to perform 141
- Processors 143
- 6.3.2 Steps to perform 144
- 7.1 Vaults 146
- 7.1.1 Working with vaults 147
- 7.1.2 Personal vaults 147
- Metadata 148
- Creating a personal vault 149
- 7.2 Acronis Secure Zone 150
- To set up a password 151
- To disable password 151
- 7.2.1.4 Result confirmation 152
- 7.3 Removable devices 153
- What to validate 155
- 8.1.1 Archive selection 156
- 8.1.2 Backup selection 156
- 8.1.3 Vault selection 156
- 8.1.5 When to validate 157
- 8.1.6 Task credentials 158
- What to export 160
- 8.2.1 Archive selection 161
- 8.2.2 Backup selection 161
- 8.2.4 Destination selection 162
- 2. Using the archives table 163
- 3. Naming the new archive 163
- 8.3 Mounting an image 164
- 8.3.2 Backup selection 165
- 8.3.3 Access credentials 165
- 8.3.4 Volume selection 165
- Exploring images 166
- Unmounting images 166
- Tips on usage 169
- 9 Bootable media 170
- Linux-based bootable media 171
- PE-based bootable media 171
- 9.1.1.1 Kernel parameters 173
- 9.1.1.2 Network settings 174
- 9.1.1.3 Network port 175
- Linux commands and utilities 180
- Activate 181
- Do not activate 181
- 10 Disk management 182
- 10.6 Disk operations 184
- 10.6.2 Basic disk cloning 185
- Using advanced options 186
- System disk conversion 189
- 10.7 Volume operations 190
- Select destination disks 192
- Set the volume size 193
- Set the volume options 193
- 10.7.2 Delete volume 194
- 10.7.3 Set active volume 195
- 10.7.4 Change volume letter 195
- 10.7.5 Change volume label 196
- 10.7.6 Format volume 196
- 10.8 Pending operations 197
- Back up entire machines 198
- Truncating transaction logs 199
- Exchange 2010 201
- Exchange 2007 201
- Exchange 2003 202
- Volumes to back up 207
- Considerations for backup 207
- To attach a database 210
- Steps to perform 212
- Recovery vs. re-creation 213
- Replication and USNs 215
- USN rollback 216
- 12.1 Backup plans and tasks 221
- 12.1.2.3 Task states 225
- 12.1.2.4 Task statuses 225
- Usage examples 226
- Adjusting credentials 226
- How to modify credentials 227
- Example 228
- Editing the export file 229
- 12.1.5 Backup plan details 230
- 12.2 Log 232
- 12.3 Alerts 233
- 12.4 Changing a license 234
- 12.6.1 Additional settings 235
- 12.6.3 Alerts 236
- 12.6.4 E-mail settings 237
- 12.6.5 Event tracing 238
- 12.6.5.3 Windows event log 239
- 12.6.6 Log cleanup rules 240
- 12.6.7 Online backup proxy 240
- 13 Online backup 242
- 13.1.6 Initial Seeding FAQ 245
- Hard drive types 247
- Packaging 247
- To renew a subscription 253
- 13.2 Where do I start? 254
- Trial subscriptions 255
- Web browser 258
- 13.8 Terminology reference 259
- Renew a subscription 261
- Storage quota 261
- Subscription 261
- Subscription period 261
- Unassign a subscription 261
- 14 Glossary 262
- Backup operation 264
- Backup options 264
- Backup plan (Plan) 264
- Backup scheme 264
- Bootable agent 265
- Bootable media 265
- Built-in group 265
- Cataloging 265
- Centralized backup plan 265
- Centralized management 266
- Centralized task 266
- Centralized vault 266
- Cleanup 266
- Consolidation 267
- Data catalog 267
- Deduplicating vault 267
- Deduplication 267
- Differential backup 267
- Direct management 268
- Disaster recovery plan (DRP) 268
- Disk backup (Image) 268
- Disk group 268
- Dynamic disk 269
- Dynamic group 269
- Dynamic volume 270
- Encrypted archive 270
- Encrypted vault 270
- Machine 272
- Managed machine 272
- Managed vault 272
- Media builder 272
- Virtual machine 275
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