Rename existing Exchange 2010 database in DAG

Hello,
I want to rename one existing database on our exchange 2010 server. This database is in DAG and hosting around 1000 users. So not possible to create a new mailbox database and move.
How can I rename the database?
After renaming it, what will happen to the Copy database on another server as it is in DAG.
Thanks,
Mihir

Appreciate your response, Andy.
To clear my doubt,
If I am ok to reseed the passive copy, then I can follow below steps, Correct?
--> Remove Passive copy
--> Remove Database files and Log files on this passive server manually
And
"1. Then will a New database with this new name be created?"
--> On Move database, I will mention same location, but just
rename .edb file. So a exact copy of new database with this new name will be created. Correct?
--> And then I can delete the old named .edb, Correct?
Thanks.

Similar Messages

Script for unmounting/deframenting exchange 2010 database

hi all,
i need a script to unmount exchange 2010 database, defrag it and mount it again.
thanks for any comment you may add...

Tried the above commands... works like a charm, but with the following modifications:
1. Delete trash and recoverable items from all mailboxes, run repeatedly
The command using is
Search-Mailbox -Identity "mailbox.name" -SearchDumpsterOnly -DeleteContent
1A. Determining Free Space in Mailbox Database
The command using is
Get-MailboxDatabase -Status | ft name,Availablenewmailboxspace,Databasesize
2.Calculate the disk space to perform the defrag, the formula is
(Databasesize-Availablenewmailboxspace)*1.1
3.Dismount the mailbox database
In EMS, go to the folder contain the database file then use the command
Dismount-Database <DatabaseName>
3A.Copy mailbox database (edb and all related log files) to another location
In EMS, go to the folder contain the database file then use the command
4.Defrag the edb file (eseutil will recreate a temp edb and rename to the new edb after successful complete it will delete the old edb file. If anything goes wrong, it will revert back to the old edb as in the /d)
eseutil /d <file.edb>
5.Mount again
Mount-Database <DatabaseName>
You are advised to purge (step 1) all mailboxes before eseutil or move mailbox, otherwise it will just carry all the sh!t over to the new mailbox anyway. I gave up trying to tally the total mailbox space used, the whitespace avail and the edb file size already.
For example, not sure why there is such a disparity where by I have 30 2GB mailboxe est. at 60GB used, whitespace after mailbox move/eseutil at 95GB, the edb size is 106GB. This is where my older exchange 2003 edb files wins hands down. Better budget more
storage for edb files! I am considering whether it's even worth migrating all to exchange 2010 altogether! The edb files are so damn space hungry even with 3 day retention and 6 day delete with 24/7 maintenance ticked. Exchange 2010 edb beast simply cannot
be tamed.
Personally I find in EMC to online move mailbox faster and more reliable overnight. Furthermore, you can simply create a new database, sort all mailboxes by database, select all of them, follow the wizard to move them all at once, the system simply queues
them to move and complete. Overnight moving is the best, all will be done the next day.

Replay only particular logs (before a certain date) to restored Exchange 2010 database?

Hello,
I'm doing Exchange 2010 database full backup using windows server backup (windows 2008 R2) every weekend. I have a Mac user which Mac Outlook 2011 which somehow managed to corrupt his mailbox. I.e. on Wednesday many messages and contacts disappeared (all
contact gone) after his Outlook told his something about "corrupted database". I'm not sure what Mac Outlook did, but fact is that his mailbox has zero contacts and many inbox message are gone. Hard deleted items don't contain lost messages.
So I have DB backup from weekend before and weekend after. No circular logging, so all logs in place.
Is there a way how I can restore his mailbox back to the point in time? I want to restore his mailbox how it was on Wednesday morning. For it looks obvious that since I have log files from Monday to Friday, it should be possible to replay logs until certain
time.
I tried to did thick trick by removing Friday and Thursday logs and doing soft recovery, but got Operation terminated with error -543 (JET_errRequiredLogFilesMissing, The required log files for recovery is missing.) They indeed missing:
dbtime: 2221857861 (0x846edc45)
State: Dirty Shutdown
Log Required: 2895446-2895464 (0x2c2e56-0x2c2e68)
Log Committed: 0-2895465 (0x0-0x2c2e69)
Log Recovering: 2838005 (0x2b4df5)
Log required are logs from they day of backup, so they are really missed in that case, but that's what I want - restore DB with less/older logs to get back in time, when mailbox was not corrupted.
Is that possible?
Thanks

ok so the problem is you have the dreaded -1018 error and this is a very serious issue. -1018 is not a good deal at all, in short your DB has corruption within it
and it is usually caused by a hardware or firmware related issue. Most of the time these occur somewhere within the storage subsystem, i.e. firmware upgrade or lack of firmware upgrade, Controller issue, cabling, disk, disk arrays, etc, however they can
also be caused by memory upgrades or failures, Motherboard issues etc.   The -1018 tells you the DB is already damaged and if you see these its very bad and needs to be addressed ASAP else the DB's are sure to fail and the more stress you put on
them the faster the chance of failure, i.e. database backups, defrag;s and repairs etc are not recommended at all until you solve the hardware issue. So here is what I would recommend:
A: Lets try to ensure the box is stable and whatever caused the DB to get the -1018's is solved before we do anything else.
General Review: Whats changed recently? i.e. any hardware, memory, motherboard, any firmware updates on anything at all?
Event Log Review: Look at your Application Log, how long have these 1018's been occurring?   Look at your System event log for errors and pay close attention to any errors regarding disk, memory or MB and report back
Protect: I would dismount the database & copy it and any others off to a secure, safe drive that is NOT connected to this system
Action: Depending on what you find in your review there are really two options
     i: If you had a recent change that is easily identifiable you may be able to correct it and then we can look at finding a clean copy of the EDB and rolling up the logs OR we opt to repair the DB you have
     ii: if you cannot find the issue in short order then I would suggest that you build a new Exchange Server on new hardware and migrate your mailboxes immediately.
B: Once you have addressed the -1018 issue then;
1. We need to find a database from your backups that does NOT have the -1018 result code when attempting a rollup.
2. Once you have a non -1018 result you can then grab a fresh copy of the EDB along with all logs from that point forward and make a consistent DB via rollup up to the 18th as desired.
3. If you cannot find a good copy of the EDB then you are stuck with the latest data you have and should either move all mailboxes to a new EDB on that server but ONLY IF the source of the -1018 is found and resolved, else you will just be making thing s
worse. IF you CANNOT resolve the issue that causes the -1018 then build a brand new server and move all users over to it ASAP, else you are headed for a major failure on all users.
Search, Recover, & Extract Mailboxes, Folders, & Email Items from Offline Exchange Mailbox and Public Folder EDB's and Live Exchange Servers or Import/Migrate direct from Offline EDB to Any Production Exchange Server, even cross version i.e. 2003 -->
2007 --> 2010 --> 2013 with Lucid8's
DigiScope

Exchange 2010 cross subnet Dag - Errors creating DB copies in DR site

We are running exchange 2010 standard edition in our main site with 2 mailbox servers in a DAG. I've added 2 more mailbox servers in a DR site connecting over a 20Mb fiber connection. I've tried adding one of the DR mailbox servers over to the DAG as database
server, also tried updating copies of the database after it fails to update it. Been working with Microsoft support on this but they have been little slow getting back with me so wanted to see if I can find anyone that has had this issue before. We've
changed TCP global settings, they've set the Cluster setting for samesubnet and crosssubnet threshholds settings to recommended, made sure my DAG replication networks were correct and that's about it so far. Tried running the update database
from GUI and shell but to no avail. Seems like it is copying the logs and database but fails at the very end. We thought it might be backup software running so we turned that off completely. Here are the different error messages I get..
A source-side operation failed while performing seed operation. error occurred whil communicating with mbx-01 (source server..) unable to read data from transport connection.. connected host failed to respond..
A source side operation failed performing seed operation. An I/O error occurred while attempting to access file ..CatalogData-...ci on source server could not be opened. sys cannot find file.
Information Store (1988) Mailbox-MBX-01: The internal database copy (for seeding or analysis purposes) has been stopped because it was halted by the client or because the connection with the client failed.
Any help is appreciated..
Michael Duhon

Hello,
I recommend you try to restart Microsoft Exchange Replication Service to check the result.
If the issue persists, please try to rebuild the Index for your database to check the result.
If you have any feedback on our support, please click
here
Cara Chen
TechNet Community Support

How to introduce exchange 2013 mailbox server in an existing Exchange 2010 Environment

Hi All,
we are planning to install exchange 2013 mailbox server in an Exchange 2010 environment. we have 3 MB servers, 1 CAS 1 HUB which is installed with Exchange 2010 SP3 Enterprise Edition. how to install new exchange server 2013 and i have to add the 2013
servers in to existing DAG and migrate all mailboxes in to 2013 server. Please advise me from the scratch. also will it be create any impact in my existing setup.
Thanks, Venkatesh. "Hardwork Never Fails"

For a step by step follow the deployment assistant
http://technet.microsoft.com/en-US/exdeploy2013/Checklist?state=2419-W-AAAAAAAAQAAAAAEAAAAAAAA%7e
Twitter!: Please Note: My Posts are provided “AS IS” without warranty of any kind, either expressed or implied.

Renaming Project Server 2010 database server

Hi all,
We have Project Server 2010 + SQL Server 2008 R2, but we need to upgrade DB to cluster SQL Server 2012 Enterprise Edition
SP1 CU7.
Is it ok if we rename Project Server DB server , for example from DBSER05 to DBSRVCL07\APPDB ?

As you planning to upgrade SQL server from 2008 r2 to sql server 2012 enterprise edition SP1 CU7.
In this case you have to create your farm from scratch. You have to Create your APP server and FE server all together from scratch and then you have to give your new DB server name DBSRVCL07\APPDB while creating farm.Once you run the configuration
wizard their you have to specify the NEW DB name DBSRVCL07\APPDB it will create Sharepoint config and content.
then you can restore your current project server DBs on new DB cluster server DBSRVCL07\APPDB and create project WEB APP where you can point restored project server DBs.
It means it would be all together back up and restore on new hardware.
i am just guessing if you think you will only upgrade Sql server, create cluster and rename proejct server DB server name in the existing farm that will not work.
Only approach is take back up and restore onto new infrastructure.
http://azlav.umtblog.com/2011/06/07/project-server-2010-database-restore-part-i/
if we rename Project Server DB server , for example from DBSER05 to DBSRVCL07\APPDB-- If you will only rename project
server DB server name then it wont work as project server also uses sharepoint config and content DB which are setting on old DB server name(we give db server name while running wizard) and it will throw errors.
kirtesh

Exchange 2010 Databases move alert via email

Hello Team,
We are in Exchange 2010 SP3 environment with 2 copy DAG and don't have any SCOM Server for monitoring purpose. Please help to get script which helps to alert us via email whenever any database moved from one server to another server or any database in failed
status.

Hi Jha
Thank you for your question.
You can refer to the following link and modify some code to type the correct email address by which someone was reminded, but it just reminded when your database fail .
http://ammarhasayen.com/2013/10/01/get-alert-email-when-exchange-database-is-failed-orand-not-mounted-on-the-preferred-server-activation-preference/
If this script cannot meet your requirement and you to get some alert when database moved, you can post your requirement on Exchange Development Forum by the following link:
https://social.technet.microsoft.com/Forums/en-US/home?forum=exchangesvrdevelopment&filter=alltypes&sort=lastpostdesc
If there are any questions, please let me know.
Best Regard,
Jim

How to get Exchange 2010 database size c#

I'm trying to get smallest Exchange database in my Exchange 2010 server using remote session.
I successfully connect to my exchange server and get database with properties. Some of them with value, but Properties "DatabaseSize" with Null value for each of them.
Did some body be able to get database size value?
For me important to use URI to connect Exchange DAG.
Part of my code below:
static void Main(string[] args)
string exchangePowershellRPSURI = "http://my.domain/powershell?serializationLevel=Full";
PSCredential credentials = (PSCredential)null;
//Provides the connection information that is needed to connect to a remote runspace
// Prepare the connection
WSManConnectionInfo connInfo = new WSManConnectionInfo((new Uri(exchangePowershellRPSURI)),
"http://schemas.microsoft.com/powershell/Microsoft.Exchange", credentials);
connInfo.AuthenticationMechanism = AuthenticationMechanism.Kerberos;
connInfo.SkipCACheck = true;
connInfo.SkipCNCheck = true;
connInfo.SkipRevocationCheck = true;
// Create the runspace where the command will be executed
Runspace runspace = RunspaceFactory.CreateRunspace(connInfo);
// Add the command to the runspace's pipeline
runspace.Open();
//Represents the base functionality of a pipeline that can be used to invoke commands
Pipeline pipeline = runspace.CreatePipeline();
Command getMDB = new Command("Get-MailboxDatabase");
getMDB.Parameters.Add("Identity", "*");
getMDB.Parameters.Add("Status", null);
pipeline.Commands.Add(getMDB);
Collection<PSObject> select = pipeline.Invoke();
if (select.Count > 0)
foreach(PSObject obj in select)
var db = obj.Properties["DatabaseSize"].Value;
string name = obj.Properties["Name"].Value.ToString();
Console.WriteLine("Database Name: {0} Size: {1}", name, db);
else
Console.WriteLine("Failed to create email account");
runspace.Dispose();
Console.ReadLine();

I found solution of my problem by myself. I just changed in string
getMDB.Parameters.Add("Status", null);
"null" to "true" like this:
getMDB.Parameters.Add("Status", true);
Now everything work fine for me.

Content Index State Failed - Exchange 2010 2 Node Dag

Hello,
Last night I needed to restart one of my Exchange 2010 DAG nodes. I moved all Active Database copies of this node to the other node in the DAG. I then restarted the node with no Active Database copies. When the server came back up I moved
the Active Database copies back onto the node that they were initially on. The node that I restarted now shows the ContentIndexState of all Databases as "Failed". Test-replicationhealth gives the following results:
[PS] C:\Windows\system32>Get-MailboxDatabaseCopyStatus -Server S01
Name                                          Status
CopyQueue ReplayQueue LastInspectedLogTime   ContentIndex
Length    Length                             State
DB01-MS01 (A-B)\S01                     Mounted         0         0
Failed
DB02-MS01 (C-D)\S01                     Healthy         0         0
1/26/2011 9:57:40 AM           Failed
DB03-MS01 (E-G)\S01                     Healthy         0         1
1/26/2011 10:02:38 AM         Failed
DB04-MS01 (H-J)\S01                     Mounted         0         0
Failed
DB06-MS01 (M-N)\S01                     Healthy         0         0
1/26/2011 10:02:25 AM         Failed
DB07-MS01 (0-P)\S01                     Healthy         0         0
1/26/2011 9:57:17 AM            Failed
DB08-MS01 (Q-R)\S01                     Mounted         0         0
Failed
DB09-MS01 (S-T)\S01                     Mounted         0         0
Failed
DB05-MS01 (K-L)\S01                     Mounted         0         0
Failed
DB10-MS01 (U-V)\S01                     Healthy         0         0
1/26/2011 10:01:59 AM          Failed
DB11-MS01 (W-Z)\S01                     Healthy         0         0
1/26/2011 9:57:50 AM           Failed
[PS] C:\Windows\system32>Get-MailboxDatabaseCopyStatus -Server S02
Name                                          Status
CopyQueue ReplayQueue LastInspectedLogTime   ContentIndex
Length    Length                             State
DB01-MS01 (A-B)\S02                     Healthy         0         0
1/26/2011 10:00:36 AM Healthy
DB02-MS01 (C-D)\S02                     Mounted         0         0
Healthy
DB03-MS01 (E-G)\S02                     Mounted         0         0
Healthy
DB04-MS01 (H-J)\S02                     Healthy         0         0
1/26/2011 10:02:29 AM Healthy
DB06-MS01 (M-N)\S02                     Mounted         0         0
Healthy
DB07-MS01 (0-P)\S02                     Mounted         0         0
Healthy
DB08-MS01 (Q-R)\S02                     Healthy         0         0
1/26/2011 10:02:32 AM Healthy
DB10-MS01 (U-V)\S02                     Mounted         0         0
Healthy
DB11-MS01 (W-Z)\S02                     Mounted         0         0
Healthy
DB05-MS01 (K-L)\S02                     Healthy         0         0
1/26/2011 10:02:21 AM Healthy
DB09-MS01 (S-T)\S02                     Healthy         0         0
1/26/2011 10:01:33 AM Healthy
[PS] C:\Windows\system32>test-replicationhealth
Server          Check                      Result     Error
S01          ClusterService             Passed
S01          ReplayService              Passed
S01          ActiveManager             Passed
S01          TasksRpcListener         Passed
S01          TcpListener                  Passed
S01          DagMembersUp           Passed
S01          ClusterNetwork            Passed
S01          QuorumGroup               Passed
S01          FileShareQuorum            Passed
S01          DBCopySuspended            Passed
S01          DBCopyFailed               Passed
S01          DBInitializing             Passed
S01          DBDisconnected             Passed
S01          DBLogCopyKeepingUp         Passed
S01          DBLogReplayKeepingUp       Passed
I appreciate any help. Thank you.
R

[PS] C:\Windows\system32>Get-MailboxDatabaseCopyStatus
Name                                          Status
CopyQueue ReplayQueue LastInspectedLogTime   ContentIndex
Length    Length                             State
DB01-MS01 (A-B)\01                                 Mounted
0         0                                  Healthy
DB02-MS01 (C-D)\S01                               Healthy         0
0           1/28/2011 11:05:45 AM Healthy
DB03-MS01 (E-G)\S01                               Mounted         0
0                                  Healthy
DB04-MS01 (H-J)\S01                                Healthy
0         0           1/28/2011 11:07:50 AM Healthy
DB06-MS01 (M-N)\S01                               Healthy         0
0           1/28/2011 11:02:12 AM Healthy
DB07-MS01 (0-P)\S01                                Mounted
0         0                                  Healthy
DB08-MS01 (Q-R)\S01                               Healthy         0
0           1/28/2011 11:09:08 AM Healthy
DB09-MS01 (S-T)\S01                                Mounted
0         0                                  Healthy
DB05-MS01 (K-L)\S01                                Mounted
0         0                                  Healthy
DB10-MS01 (U-V)\S01                               Healthy         0
0           1/28/2011 11:02:53 AM Healthy
DB11-MS01 (W-Z)\S01                              Mounted         0
0                                  Healthy
[PS] C:\Windows\system32>Get-MailboxDatabaseCopyStatus
Name                                          Status
CopyQueue ReplayQueue LastInspectedLogTime   ContentIndex
Length    Length                             State
DB01-MS01 (A-B)\S02                              Healthy         0
0           1/28/2011 11:08:27 AM Healthy
DB02-MS01 (C-D)\S02                    Mounted         0
0                                  Healthy
DB03-MS01 (E-G)\S02                              Healthy         0
0           1/28/2011 11:10:36 AM Healthy
DB04-MS01 (H-J)\S02                               Mounted         0
0                                  Healthy
DB06-MS01 (M-N)\S02                              Mounted         0
0                                  Healthy
DB07-MS01 (0-P)\S02                              Healthy         0
0           1/28/2011 10:58:23 AM Healthy
DB08-MS01 (Q-R)\S02                              Mounted         0
0                                  Healthy
DB10-MS01 (U-V)\S02                               Mounted         0
0                                  Healthy
DB11-MS01 (W-Z)\S02                              Healthy         0
0           1/28/2011 11:09:45 AM Healthy
DB05-MS01 (K-L)\S02                               Healthy         0
0           1/28/2011 11:09:42 AM Healthy
DB09-MS01 (S-T)\S02                              Healthy         0
0           1/28/2011 11:08:34 AM Healthy

Exchange 2010 SP3 - Can DAG member be on OS 2012 R2 STD?

Hi guys.
We have Exchange 2010 SP3 on 2008 r2 enterprise.
now we are thinking about having DAG. I know that recommendations is to have the same OS on 2nd Exchange server but still is it possible to make DAG between: Exchange 2010 SP3 on 2008 r2 enterprise and on other side Exchange 2010 SP3 on 2012 R2 STD?
with best regards,
bostjanc

Hi guys.
We have Exchange 2010 SP3 on 2008 r2 enterprise.
now we are thinking about having DAG. I know that recommendations is to have the same OS on 2nd Exchange server but still is it possible to make DAG between: Exchange 2010 SP3 on 2008 r2 enterprise and on other side Exchange 2010 SP3 on 2012 R2 STD?
with best regards,
bostjanc
No. It wont let you do that.
http://technet.microsoft.com/en-us/library/dd638104(v=exchg.141).aspx
DAGs are available in both Exchange 2010 Standard Edition and Exchange 2010 Enterprise Edition. In addition, a DAG can contain a mix of servers running Exchange 2010 Standard Edition and Exchange 2010 Enterprise Edition.
Each member of the DAG must also be running the same operating system. Exchange 2010 is supported on both the Windows Server 2008 and Windows Server 2008 R2 operating systems. All members of a DAG must run either Windows Server 2008 or Windows Server 2008
R2. They can't contain a combination of both Windows Server 2008 and Windows Server 2008 R2.
In addition to meeting the prerequisites for installing Exchange 2010, there are operating system requirements that must be met. DAGs use Windows Failover Clustering technology, and as a result, they require the Enterprise version of Windows.
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Exchange 2010 Databases' recovery point volume is too large.

I have DPM 2012 SP1 backing up exchange databases exclusively.
One protection group is for Exchange 2010 and the other is for exchange 2013. EseUtil.exe is only working for 2013.
The 2010 databases have gigantic recovery volumes (40 GB for a 95 GB database!) while it is less than 1 GB used for Exchange 2013 ones (55 GB replica)
The 2010 sync every one hour and the 2013 sync every 15 minutes. both have express backup at 8 PM and retention for 1 day.
is there any explanation for this behavior??
the capacity on the DPM server is limited.

Hi,
It could be page zeroing in Exchange 2010.
See this blog:
http://blogs.technet.com/b/timmcmic/archive/2013/05/20/exchange-2010-page-zeroing-and-vss-based-backups.aspx
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

Exchange 2010 Decommisioning a DAG member from a 3 node Dag

Hi Guys,
What the safest way to remove one server from a 3 Node Dag.
Currently I am planning the following steps:-
Remove Exchange server MAIL03 from DAG
1.Start up Exchange Management Console
2.Go to Organization Configuration > Mailbox > Database Management;
3.if mail boxes are mounted on MAIL03, Select the database where ” Mounted on Server” reads the MAIL03;
3.1.Select Move Active Mailbox Database;
3.2.Select the Mailbox server i.e. MAIL01\MAIL02 to host the mailbox database copy and select Move;
5.When the move has finished, select the database copy hosted on the MAIL03 in the lower pane. There, select Remove.
6.Remove the MAIL03 server from the DAG. Select tab Database Availability Groups;
7.Select the DAG the MAL03 server is a member of and select Manage Database Availability Group Membership;
8.Select the server and click the red cross to remove it from the list. Click Manage to proceed with the actual removal;
9.When finished the mailbox server is no longer member of the DAG.
10.Rebalance Mailbox Databases in DAG.
What do you guys recommend?
Also after the removal of the DAG node, what the best way to reduce the Passive Database/Transaction logs? our current setup is as follows:-
I want to remove the drives L,M,N,O
Thanks
Jitinder

Hello,
Based on your description.
If you want to remove drives only from that server and leave databases working on the rest of nodes:
1. Remove database copy on that server.
2. Remove drives.
It is not required to move mailboxes from these databases. In this scenario you will not be able to re-add copy of these databases because all nodes need to have the same drive
letters.
If you want to remove L, M, N, O from all servers:
1. Move mailboxes from these databases.
2. Remove them (copies and empty dabatabes).
3. Remove drives.
There is no need to remove server from DAG if you just want to remove database copy from one node.
Hope it helps,
Adam
www.codetwo.com
If this post helps resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others
find the answer faster.

Exchange 2010 3 node DAG and split datacenters

Hi all,
I have a Exchange 2010 setup with 3 DAG nodes, 2 servers in Primary site & one in DR site, 2 active directory Sites, one domain controller per site. All roles on each server.
Each server has a single NIC, with the following configs:
Primary Site:
MBX1 IP = 192.168.1.11 - Network Name MAPI-Primary
MBX2 IP = 192.168.1.12 - Network Name MAPI-Primary
Cluster IP = 192.168.1.10
DR Site:
DRMBX1 IP = 192.168.100.11 - Network Name MAPI-DR
Cluster IP = 192.168.100.10
Dag name = DAG1
Under the DAG Networks, I see 3 Networks
DAG1_MAP1-Primary with the 192.168.1.0/24 subnet and the 2 MBX Network IP's in it.
DAG1_MAP1-DR with the 192.168.100.0/24 subnet and the 1 DR MBX Network IP in it.
and one called DAG1_Replication, which has a 10.1.1.0/24 subnet and NO NIC's in it. I think this was an original replication subnet used when there was only 2 nodes in the DAG and a cross over cable was used.
Can I delete the DAG_Replication network from the config?
Should I consolidate the 2 DAG1_MAPI-Primary and DAG1-MAPI-DR networks under one simply called DAG1-MAPI?
Secondly,
When I look at cluster manager on each of the 2 Nodes MBX1/2, I can see the 3 Nodes. Trying to run cluster manager on the DR node, and I can't connect to the DAG1 cluster, get an error saying not ready. Am I right in thinking this should not be
happening? I have a managed firewall, but don't have access too logs, any idea what ports could be dropped from DRMBX1?
Finally,
Cluster manager on the 2 working nodes shows an error:
Cluster Network Name is not online, and the Cluster Core resources panel shows cluster name DAG1 Offline, with ONLY 1 IP address, the DAG VIP (192.168.1.10) being online. Should I see the other 192.168.100.10 DAG VIP as well? Is this also a manifestation
of the firewall?
I have inherited this config, so I am not fully sure what a correct working condition should report look like. Any help on a clearer understanding would be greatly appreciated.
Thanks in advance !!

In answer to your first question, yes, if no server is listed with an IP address in that replication network, you can delete it without affecting the DAG operations.
As for your second question, if your servers are in different subnets, you need at least two networks defined in your DAG. And since your servers are in different Windows sites, I have to assume they are in different subnets. I believe that if
you check them in the EMC, you will only see IP addresses for the local servers in each network. So no consolidation is possible.
On your question about Cluster Manager, don't do anything in Cluster Manager - my personal experience has been that the Exchange toolset is sufficient for all management tasks related to an Exchange DAG. What are you trying to determine? Also,
Microsoft doesn't support a DAG installed across a firewall - either you open all ports between these servers (and all domain controllers in your forest), or you will have an unsupported configuration.
For your final question, I assume DAG1 is your DAG's network name, and those two IPs are the ones for the two datacenters. If this is the case, only one IP address will be active at a time.

Exchange 2010 database help after clean install of exchange 2010

Long story short. Had exchange 2010 issues. My exchange store would not open and I could not mount database. Copied v14 folder over to another folder. Removed exchange from AD, recreated my windows 2008 r2 virtual machine, Installed completely new exchange.
It came up with new mailbox offline, which i left that way. I copied my flat files into the newly created v14 folder. When I open exchange, I see an unmounted copy of my old database. However, I am unable to do anything with it. Esutil said it was a clean
shutdown. I am looking for the steps I need to take to get my old database back online as it has everyone's info. So exchange see's a copy of my old database, but nothing else. Any help would be appreciated. Thanks in advance.
John

Thanks for the response Willard,
Your correct, I have placed myself in a Jam. the .edb file is in a clean state. I copied the whole directory over to a mapped drive. I am currently working the problem 2 ways. I have created a recoveryDB, but when I try to perform a New-MailboxRestore request
it fails. When i do a get statistics I can see all email in the recoveryDB, but only a system file mailbox in the new database i created, none of my users. I have also tried the database portability. I can check and confirm the old database, but at the last
step I am supposed to Get Mailbox -Database "old database", it fails to find the old database. So I am unable to run Get-Mailbox -Database "old Database" | Set-Mailbox -Database "New Database". I have set the new database to be
overwritten. The problem arises when i try to get-mailbox -Database (old database)= it says it cannot find database. Since I performed a clean install the old database is not in Active directory. When I open the path to the new database it is pointing
at the .edb in the folder I created using the steps at www.exchangerecover.com/blog/2010/move-a-mailbox-database-using-database-portability.html
Now that I totally screwed it up, I can start from the beginning if necessary. I am just hoping I do not lose the data. I would appreciate a push in the right direction. I am currently trying to touch base with an exchange admin at the local university.
We have played phone tag so far. Microsoft support is my next option.
John

Exchange 2010 Database Corrupted Every Several Months,I/O Disk,Event 203

Hi
I am Running Exchange 2010 on Vm Machine,
Machine Profile:
16Gb Ram,4 Cpu,200 Gb Database,200 users.
Every Several months I Need To Migrate The Mailboxes To New Database,
The Old Database(After the mailboxes migration Process) always Get Error event 203,
Its Cyclic error That Occured every Serval Months To New Database.
I Am Backup Successfully The Database With Full Vss Every Day until the database get corrupted!,
The Biggest mailbox Is 10 Gb.
I Noticed That The Error Occured When The Store process Was On 17,000,000 kb/sec Persistent.
My Exchange Storage Is On Virtual San Hp Vsa.
The Strange Thing is I Have physical exchange 2010 servers in different company who serves 200 users as well,
has 200 gb database ,Less Ram Memory from my vm,
but The Big Difference is i didnt have any issues with the physical server like i have with the vm.
how can i be sure if my storage(virtual san,hp vsa) have poor issue when the exchange need to
work on high I/O ?
I Got The Event 203 When The Store Process Was On 17,000,000? is it normal?
Is My Storage Cause To My New Database Get Corrupted Because It Has Poor Performance?
thx
kobi

Thank You
How Can I Monitor/Test My Virtual San Environment To Ensure Its Function When Hosting Exchange 2010?
Can Jetstress 2010 Can Supply Me Answers To My Cyclic Problem?
Is there A Tool Or Configuration To Achieve Store Process On 17,000,000 b/Sec?

Rename existing Exchange 2010 database in DAG

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