Site Failover using Third Site
Hi,We have a Site A and Site B. Site A have 2 Mailbox Servers and Site B also have 2 Mailbox Servers. We have a DAG between on all 4 Mailbox Servers. We also have a third site on which we have our...
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Exchange HA and DR - 3 sites
HiWe are implementing exchange 2013 and there are 3 sites. Â Based on Microsoft PowerPoint presentations; you can have EVEN number of DAG members on site 1, even number of DAG members on site 2, and...
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Exchange 2010 server DAG troubleshooting
We have DAG with 2 mailbox server members Server 1 has CAS, hub and mailbox roles Server 2 has mailbox role only I've setup DAG between 2 servers sharing 15 databases. I'm facing 2 issues: 1. Half of...
View ArticleHow to handle Public Folders
I know my title doesn't really sound like it relates to high availability/DR, but I have a situation where Public Folders prevents access for end users when a particular member of a DAG is down. I have...
View ArticleDAG Failover Exchange 2013
Hi,I am testing DAG failover. I have a 2 node DAG with a single mailbox database. The database is active on SERVER2 and has a copy on SERVER1.I shut SERVER2 down, expecting the database to mount on...
View ArticleMailbox Recovery From Disaster Exchange Server 2013
I have to exchange server EX01 and EX02. Now EX01 have to down didn't run anyway. Default database on EX01 that have to Administrator mailbox and the default database was not member of dag. now i can't...
View ArticleDatabase replication question
I have a quick question on database replication within my DAG. Â I have 5 Exchange 2013 Enterprise servers that all host the mailbox and CAS roles and are all members of the same DAG. Â 3 of the servers...
View Articlequestion about Witness server and two datacenters
Hello all, I've been tasked with setting up an Exchange 2013 DAG, I'm looking at our setup and I'm thinking about 1 DAG with 2 nodes in Datacenter A and 2 in Datacenter B. I plan to put the Witness...
View ArticleFailover cluster name missing subnet on DAG
I've seen this multiple times and can't figure it out and end up having to recreate the DAG. On Server 2012 / Exchange 2013 I've experienced problems with the IP / subnet in failover cluster.Its like...
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Can't move active database in DAG Exchange 2010
We have DAG with 2 mailbox server members Server 1 has CAS, hub and mailbox roles Server 2 has mailbox role only I've setup DAG between 2 servers sharing 15 databases. I'm facing 2 issues: 1. Half of...
View ArticleRedistribution DAG Databases
HiI have exchange 2010 with 2 server as Mailbox serverwe have DAG contain 20 Databaseswhen i run the Redistribution DAG Databases script i see the databases balanced according preference serverhow can...
View ArticleExchange 2013 - DR site
Hi all,I want to setup a new exchange 2013 environment with DR site. Main Site (2DC+2CAS+2MBX) DR Site (1DC+1CAS+1MBX) = 2dbcopy in mainsite & 1dbcopy in DRsite Till now i haven't configured DR...
View ArticleDAG DatabaseCopyAutoActivationPolicy Blocked
I Have a DAG with a server in a DR site but it is a stretched subnet with 1 AD site (across a WAN link)I do not want the DR server to automatically mount/activate databases, i obviously cannot use...
View ArticleDAG Mailbox Store: Moving Mailboxes to different store
Hi,we have the following setup:2 Mailbox Servers, 1 DAG, 2 Mailbox StoresMD1MD2We need to create a new mailbox store MD3 and move all mailboxes to that store.i think, we can move all mailboxes with one...
View ArticleDAG File share witness & Quorum best practice
I am building a new environment with 2 x cas & 2 x MBX in site A and 1 x cas and 1 x MBX in DR site BFirst of all what happens if I lose/turn off my FSW in a production environment in the middle of...
View ArticleExchange 2013 DAG with single site and 2 multi-role servers with error...
Hi,I've got a lab with a domain controller and an Hyper-v with on it two multi-role exchange 2013 CU7 servers on W2K12 R2 OS, configured in DAG semplified (but the problem is the same also if I use the...
View ArticleDAG Quorum scenario query
If I have site A with 3 mbx dbs and a FSW and site B with 3 mbx servers...all servers have active/passive databases and users in site a access mail in site A and users in site B access mail in site...
View ArticleMultiple Edge Roles
Hi,We have multiple CAS and Mailbox roles for High Availability. In case if any CAS server goes down, other CAS server become active. Same is with the case of Mailbox Servers.The thing is can I...
View ArticleDAG Lagged copy recovery
I have often considered the use of a lagged database copy in a DR site but would someone explain the following:How do you recover single item/folder from lagged copy?How do you restore lagged copy and...
View ArticleExtending MailboxDatase Volume
Just a quick question, I asked Microsoft representavive but did not get a clear answer. I am planning my storage for Exchange DAG's, so I plan to start with enough storage to migrate user mailboxes...
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