Showing posts with label Azure. Show all posts
Showing posts with label Azure. Show all posts

On-Prem VM migrate to Azure Step by Step

 You need to consider below points before planning to migrate On-Prem VM to cloud.

1.       Azure Subscription

2.       Which region do you need to migrate.

3.       Where are my users?

4.       Are there any Govt regulations requirements?

5.       Cost effective region?

6.       Network latency to the existing datacenter / users?

7.       Why do I need to migrate to Azure?



What options are available to migrate these applications/servers to Azure Cloud.


1.       Option 1

a.       Create a new VM in Azure.

b.       Deploy the Applications.

c.       Take the backup of the application on the prem.

d.       Restore the backup on the Azure VM.

e.       Verify the Application

f.        Update the DNS record.

Advantages –

a.       Fresh installation / clean installation.

b.       Easy to migrate.

c.       Amount of data transfer from On-prem to Azure is very less.

Disadvantages –

a.       It is not the same environment.

b.       Patches are missing.

c.       Application Patches are missing.

d.       O/S configurations are missing.

e.       User experience is very bad.



2.       Option 2

a.       As it is – migration.

b.       Entire state of the server /VM /Application is migrated to the target (Cloud)

On-Prem: Hardware sizes might be oversized.

VM is running at low performance.

1)      What VM’s are running

2)      What O/S is running

3)      Cost Associated

4)      What is H/W utilization details.

5)      Cost of the VM

6)      Allocating proper resources

7)      Choosing the right VM – proper processor and memory

8)      What applications are running.

9)      What network ports are allowed to communicate

Create Recovery Service vaults

Select Resource group

Instance details

Give vault name

Create vNet

Create Storage Account

Now go to site Recovery and select the product platform that you are going to migrate.

I am selecting VMware machine to Azure because my On-Prem VM is running on VMware workstation.

Under VMware machines to Azure -> Prepare Insfrastructure

Deployment planning completed -> Drop down and select I will do it later

Configuration server-> Add configuration Server


Now account has been created

Now ping and run the telnet using port 135 to check connectivity between source and destination.

If communication is fine between source and destination proceed for infrastructure configuration.

Configuration server -> dropdown and select the infrastructure

Post-failover deployment model ->  Drop down and select either classic or Resource Manager

I am selecting resource manager

If you have already created Replication policy -> Drop down and select the replication policy else click on Create new policy and associate

As I hadn’t pre-created Replication policy so I am creating new policy. 

Now Replication policy is creating.


Now click Review and create

Now Infrastructure is ready click Enable Replication

Drop down configuration server -> Select the configuration server

Machine type -> Virtual machine 

Now add the source server

Name -: Server name

IP address-: Enter IP address

OS type-: Drop down and select OS window

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