Hi All:weare planningto build exchange environment withCCR (primary site)and SCR(backup iste) .now we have finished building the ccr environment in primary site(We dont have Edge transport role inccr enviorment, we are using a barracuda spam filterdevice for that). the next step is to build the backup site which will contain the following:- one Dc 2008 (domain controller)-oneExchange servercontains all required roles (cas,hup,mailbox)-Antispam Barrucudadevicenow wewill install the exchange server anddeploy it asthe scr targetso does we need special installation precedure forthe backup exchange server? oriinstall exchange as usual (when install it; Ichoosecas,hup,mailbox) and go on?does i need to make send and recieve connectors for the backupexchange server (scr target)?In case of the primary site goes down and i switched to the backup site (scr target) ;how can i go back to the ccr environment (primary site) and be sure that what happned scr target will be replicated to primary exchange server(ccr) ?thanks

Hi,If the SCR target computer is not clustered, it can also host other server roles, such as the Hub Transport, Client Access . There is not required to create send and recive conenctor between both sites.http://technet.microsoft.com/en-us/library/bb676502.aspxYou can find good step by step documents at Exchange TechNet and at MSExchange.org site. Here are some of the links... Installing Cluster Continuous Replication on Windows Server 2003 (Look for all sub-topics also) http://technet.microsoft.com/en-us/library/aa997144.aspx Installing, Configuring and Testing an Exchange 2007 Cluster Continuous Replication (CCR) Based Mailbox Server (Part 1) http://www.msexchange.org/tutorials/Installing-Configuring-Testing-Exchange-2007-Cluster-Continuous-Replication-Based-Mailbox-Server-Part2.html Installing Cluster Continuous Replication on Windows Server 2008(Look for all sub-topics also) http://technet.microsoft.com/en-us/library/bb629714.aspx Deploying an Exchange 2007 SP1 CCR Cluster on a Windows Server 2008 Failover Cluster Part 1: Prerequisites & Configuring the failover cluster nodes http://www.msexchange.org/articles_tutorials/exchange-server-2007/high-availability-recovery/deploying-exchange-2007-sp1-ccr-cluster-windows-server-2008-failover-cluster-part1.html Managing Standby Continuous Replication(Look for all sub-topics also) http://technet.microsoft.com/en-us/library/bb676502.aspx Clustered Continuous Replication Failover with Standby Continuous Replication (Part 1) http://www.msexchange.org/articles_tutorials/exchange-server-2007/high-availability-recovery/clustered-continuous-replication-failover-standby-continuous-replication-part1.html Anil

Anil has provided lots of useful info, in particularly, for the question how can i go back to the ccr environment (primary site), you can see the procedure in this scenario, which is also a sub-topic in Anils links

thanks anil but abound send connectors i didnt mean between two sites; when i switch to backup site in case of the primary site failiure; how can i send and recieve emails?Thanks

For inbound mail flow, please put two MX records on the external DNS, one point to primary site, and the other to disaster recovery (DR) site, with MX record having higher cost on DR site, so that mails will always go to primary site, and will failover to DR site if the primary one is down For outbound mail flow, and put SCR target server into the send connector after activation

thanks james:but does that mean that i need to create send connectorr in backup exchange server and this connector will point to our smarthost (antispam barracuda) and also i need to make recive connector but these connectors will have higher cost?

Quote: create send connectorr in backup exchange server We can use the existing send connector that primary site used, and point the source server to the SCR target server, so exchange will use SCR target server for mail flow Quote: i need to make recive connector but these connectors will have higher cost No, I didnt mean to set cost on receive connector. I suggest that we put two MX records on the Internet with different cost, and point the MX record with lower cost to the primary site, so public will use the server in the primary site for mail flow, and use the SCR target server in the DR site if the primary site is down

thanks james:after creating the scr target i want to test it using database portability;but i read an article says that if you switched to scr target and you want to return back to the production you must delete databses in the production environment; doe i need to do that if i also make only test? note that scr sourc in producion now

The remained storage group and database in the primary site need to be removed if we want to enable the SCR again, but this time, the original SCR target is source now, and the original SCR source is target Then, we can use the procedure of SCR target activation again to switch the SCR source back to the primary site