Disaster Management and DAG in exchange server 2013

Disaster Management:

Client side backup:

*outlook web app  does not support client side backup & recovery of emails

*MS Outlook supports client backup & recovery of emails

*In ms office outlook client while taking the backup we have to select .PST files

.PST(personal storage table/template)

*After taking back up the data will be in encrypted formatted

*In ms outlook client for storing office emails in local hard disk. it uses .OST(offline storage table) file format.

Note: In exchange 2010/2013 PST size is 50GB

Database availability Group(DAG)

* A DAG is group of up to 16 mailbox servers. that provides the structure for replicating and activating database copies.

* A DAG is a boundary for mailbox database replications

Recommendations :

witness server: it is used to store witness information.

witness directory: it is used on the witness server to store witness information .

DAG IP address: IP address are used by DAG

Windows server 2012 datacenter or WS 2008R2 datacenter or enterprise editions

The OS should be same within the DAG

Note:DAG Requires default gateway(for trouble shooting)


ACTIVE MANAGER: is present in every mailbox servers. Inside Microsoft exchange service.

the mailbox server which is not a part of DAG network. it has only one role under active manager. that is standalone manager.

the mail box servers which are part of a DAG. it has 2 rules under active manager. That is primary active manager and stand by manager.

Active manager is used to control the failover database .it has two roles PAM & SAM

primary active manager : will decide which database copies will be active and passive

Standard active manager: detects the failovers of database and the local information store.

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Malware filter in exchange server 2013

* malware filter protection feature helps to detect and prevent malware in email messaging environment.

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Types of mailboxes in exchange server 2013

                                                  Types of mailbox 

User Mailbox

Room Mailbox

Equipment Mailbox

linked Mailbox

Archive Mailbox

Shared Mailbox

Note: Room & Equipment mailbox  are combindly called as resource mailbox.

Usermailbox:it is a mailbox that is assigned to an individual user in exchange organization

Room Mailbox: it is a resource mailbox that is assigned to meeting location such as conference room ,auditorium or training room providing a simple and efficient way of organizing meetings for your users.

Equipment mailbox: it is a resource mailbox that is assigned to a non location specfic resource ,such as portable computer projector microphone or a company car.

Linked mailbox: it is a mailbox that assigned to an individual user in a separate trusted forest.

Shared mailbox: A shared mailbox is a mailbox that multiple users can use to read and send email messages.

*it can also be used to provide a common calender,allowing multiple users to schedule and view vacation time or work shifts.

*To access a shared mailbox users must first be granted send as or full access permissions to the mailbox

Archive mailbox: it provides users with an alternative storages location in which to store historical messaging data

* it is an additional mailbox enabled for a mailbox enabled user.

*users can move or copy messages between their primary mailbox and the archive mailbox.

*it presents a consistent view of messaging data to users and eliminate the user overhead required to manage  .PST file

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Database management in exchange server 2013

DATABASE MANAGEMENT

Mailbox data box: It is location which contains mailboxes and the recipients, information.

It stores the information in exchange database format(.edb)

DATABASE:

*In exchange server 2013 mailbox database shares a single set of logs.

*Each exchange server 2013 standard system can handle a maximum of 5 database per server

*Total number of the database on a server cannot exceed more than 5

log  file:user information are user emails in exchange 2007/10/13 , the default log size is 1MB,(1024 KB) After generating logs files , it will update the information of log file to EDB file. whenever the database will be free.

chk File:-it store the information of committed logs files into the database.

Temp.EDB: whenever the database file will be busy , it store the information temporally

JRS file: if the hard disk is full or the database is full, if the store meanwhile information, after storing, it will discontinue the database. 

Data storing technology is 2007/10/13 is called as ESE(Extensible storage engine) or Jet blue technology.

Public Floders:

it provides the centralisedstorge about anytype of data that is meant to be accesed by multiple users in any organization.

it is designed for access and provide an easy and effective way to collect organize, and share information with other people in organization.

it can also be used for storage of documents, administrative messages and other applications.

Note: MS office outlook client is also called as MAPI(Messaging application programming information ) client.

outlook runs on RPC(remote procedure call) protocol port No:135

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Permissions and monitering in exchange server 2013

* Role Based Access Control (RBAC)

1.The permissions that you grant to junior administrators and users based on management roles.

2.A role defines that set of tasks that an administrator or user can perform.

3.There are two types of roles administrator roles an end-user roles.

Admistrative Roles: these roles contain permissions that can be assigned to administrators or specialist  users using role groups that manage a part of the exchange organization, such as recipients ,servers ,or databases.

End-user Roles: these roles assigned using role assignment policies ,enable users to manage aspects of their own mailbox and distribution groups that they own.

Role groups and role assignment policies

*Exchange 2013 provides you with the following to help you to do that

1.Role groups enable you to grant permissions to administrators and specialist users

2.Role assignment policies enables you to grant permissions to end users to change settings on thier     own  mailbox or distribution groups they own.

Outlook web app mailbox policies:

1.It is used to create origination -level policies to manage access to features in outlook web App

2.After applying web app mailbox policy to a mailbox, it will override the settings of the virtual directory

3.only one outlook web app mailbox policy can be applied to a mailbox

Monitoring of Recipients

 Rules(transport rules)

*Preventing inappropriate content from entering or leaving the organization.

*Filtering confidential organization information  .

*Tracking or archiving copying message that are sent to or received from specific individuals.

*Redirecting inbound & outbound messages for inspection before delivery

*Applying disclaimers to message as they pass through organization 

Delivery reports:

It is used to track delivery information about messages sent or received from any specific mailbox in exchange organization

It can search for messages sent by the mailbox or sent to mailbox and it can filter the search results by the message subject.

connecters:

* it is used to control inbound & outbound mail flow in exchange organization.

* it will route mail to and receive mail from recipients outside the organization .

SEND CONNECTORS: It controls the flow of outbound message to the receiving server.

RECEIVE CONNECTORS: it controls the flow of inbound message to the exchange organization.

Queue viewer:

A queue is a temporary holding location for messages that are waiting to enter the next stage of processing or delivery to a destination.

it is used to check the mail struck in the queue before delivery.

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