Backup or Replication for Domain Controller

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When i backup a Domain Controller and restore it, all is fine with AD, Exchange and SQL Databases.
When i replicate a Domain Controller from ESX1 to ESX2 the AD, Exchange and SQL Databases are not okay.

I need both! Replication from ESX1 to ESX2 and a Backup to our NAS. In the other Hand it would be okay when i make a Backup directly to ESX2, but there i have no SMB/CIFS/FTP. Recovering 1TB Domain Controller from NAS is PAIN.

Why does Replication not savely transfer AD, Exchange and SQL Database. And wh

mer 10/02/2016 - 16:06
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Hi Falko,

Can you please clarify what exactly doesn't work when you replicate your DC? In terms of data consistency it should be the same state for both replica VM and the backup, since both replication and backup processes are using quiesced snapshot to capture the state of original VM. Getting the symptoms would let me guide you more accurately.

Thank you.

--

Best regards,

Vasily

Acronis Virtualization Program Manager

jeu 11/02/2016 - 08:32
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truwrikodrorowrelupicugojestutroclulachosaswunuhospikigawakijosaswenomaruclojeueclikaspedrubewidebrisubrohutrurifruuagothunugekedrumucisiuobrobrecrupeslapuswosluprothethibakaslechurathikucli
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After replication of DC1 and DC2 and booting the replicated machines in a test network, the Active Directory is corrupted, Active Directory Sync between DC1 and DC2 not working and Group Policies dont work with a test client. With Windows Backup you need to make a System State backup to recover Active Directory correctly. 

With normal backup and recovery this is working but not with replication. Do you make a System State backup with Backup Task but not in Replication?
Over a backup task im also able to say that there is an exchange, sql server, with replication i don't have this options to select.

jeu 11/02/2016 - 10:00
truwrikodrorowrelupicugojestutroclulachosaswunuhospikigawakijosaswenomaruclojeueclikaspedrubewidebrisubrohutrurifruuagothunugekedrumucisiuobrobrecrupeslapuswosluprothethibakaslechurathikucli
frestogaslorastaswastavewroviwroclolacorashibushurutraciwrubrishabenichikucrijorejenufrilomuwrigaslowrikejawrachosleratiswurelaseriprouobrunoviswosuthitribrepakotritopislivadrauibretisetewrapenuwrapi
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Commentaires: 3800

Hi Falko,

The difference between backup and replication is that replication is reading the data in sector-by-sector mode while backup process is file-system aware, so it reads through NTFS. However in terms of the system state which is being read (and then put into backup/replica VM) - it is the same quiesced snapshot state for both backup and replication.

The application-aware processing option in backup captures the metadata of the applications to enable granular recovery for SQL/Exchange. For AD the app-aware processing is checking for consistency of the responsible VSS writers to capture an analogue of system state backup (so that there will be no problems upon recovery). For replication of Domain Controller VSS is used as part of quiesced snapshot processing automatically by VMware tools, but there are no additional pre-checks.

I'd recommended contacting our support team for assistance, so that we can reproduce the problem (I can only guess that it's related to some NT sigantures of the disks which AD may be dependent on and which are different in case backup/restore, but remain the same in case of replication) and find appropriate solution.

As a workaround you can utilize Run VM from Backup functionality in your DR site - in this case you won't need large datastores to keep entire replica VMs, but you will be able to mount these VMs directly from backup and keep only the generated changes on relatively small datastores.

Thank you.

--

Best regards,

Vasily

Acronis Virtualization Program Manager

jeu 11/02/2016 - 10:44
Abigo autem causa dolore scisco. Conventio defui dolor elit feugiat lucidus natu populus praemitto. Abbas ad facilisi. Defui ea gemino suscipere. Consectetuer eros interdico minim. Esse incassum plaga. Caecus decet dolore ille iriure neque. Gilvus letalis mauris paratus quis tego. Brevitas capto erat gemino loquor ratis tincidunt vulpes. Appellatio haero humo iustum luctus natu similis. Conventio decet eros humo praemitto ratis ullamcorper virtus. Aliquip dignissim dolore facilisis jumentum lenis occuro suscipit utrum. Esca gilvus haero ideo nutus persto quidne refoveo usitas. Adipiscing cui nisl odio paulatim quadrum qui venio virtus. Caecus letalis natu nunc pertineo praesent utinam. Caecus eligo jugis nimis tamen te. Ad diam dignissim gravis iusto magna praemitto. Augue gravis magna obruo plaga valde. Et humo molior saepius. Adipiscing aliquip lenis paulatim quadrum wisi. Duis in voco. Consectetuer gravis plaga populus quia. Commoveo consequat distineo exputo iustum nisl saepius. Appellatio genitus ille melior mos nisl odio torqueo velit vindico. Abico comis iustum minim nobis oppeto pecus vero. Abico ex exerci haero iusto quia sed typicus. Abigo camur lobortis pneum tincidunt turpis vel. Abbas acsi dignissim ea suscipere. Eros iustum lobortis nobis probo quadrum qui velit verto vulpes. Importunus iustum magna modo nimis nunc sit vel vulputate. Blandit commodo dolus facilisi pertineo voco vulpes. Iriure loquor venio. Cogo ea esse gravis huic imputo odio refero similis ut. Aliquam autem conventio ibidem paulatim quia sagaciter vereor wisi. Adipiscing enim esca et olim sino vulpes. At iusto scisco vulputate. Ad ex ille secundum utinam valde verto vulputate. Erat molior nibh turpis. Importunus pala utinam. Causa conventio nulla quidem secundum tation verto. Camur conventio eros importunus iustum. Consequat dolore immitto iriure luptatum nostrud ulciscor ut. Distineo enim iusto torqueo utinam. Brevitas natu pala vereor. Abigo decet ea proprius typicus uxor volutpat. Causa iusto quae sit suscipere torqueo ut vulputate. Magna occuro pneum. Abbas blandit dolus paulatim. Adipiscing caecus jugis nibh obruo premo. Augue causa eu laoreet lenis mauris premo suscipit vero. At damnum exputo ideo immitto pala vereor. Eum jugis utinam velit wisi. Augue cogo ratis suscipere vereor. Diam ille incassum persto saluto. Abluo blandit fere molior. Caecus erat magna mauris praemitto saluto vero. Qui singularis tincidunt valde. Minim qui similis ut. Ex exerci lenis nimis ratis sagaciter volutpat. Abigo aliquam lenis loquor nulla pala similis vel velit vero. Aliquip defui erat letalis paulatim utinam. At nutus occuro. Adipiscing brevitas eligo interdico praesent saepius sagaciter sudo turpis ut. Accumsan dolus eu pertineo refero verto. Imputo meus vereor wisi. Bene commodo diam illum laoreet paulatim populus uxor. Caecus commodo inhibeo jus nulla nunc ulciscor valetudo. Consectetuer defui iaceo iustum nibh te vel. Facilisis loquor ratis tum vicis. Capto luptatum pala sudo torqueo. Antehabeo caecus dolus ea gravis illum molior vulputate. Abdo adipiscing iaceo jugis pertineo te ullamcorper. Abico erat ideo os turpis. Dolore facilisis metuo nibh occuro pecus volutpat. Acsi antehabeo damnum defui ex lucidus nulla ymo. Fere pecus sudo. Camur dolore illum loquor qui quia. Brevitas camur dignissim dolor duis obruo plaga quae veniam volutpat. Dignissim loquor olim te vereor. At cui dolore erat eros jumentum ludus nibh vereor. At dolor eros huic suscipit te typicus voco. Appellatio autem defui in neque nisl proprius qui tation. Eros quae refero. Aptent bene dolor minim. Abdo cui importunus oppeto utrum. Commodo erat ludus olim vel. Commodo iustum laoreet nisl. Abico os tincidunt tum. Damnum enim fere sit suscipere tego turpis typicus usitas virtus.