Updating service pack 3

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If you are planning to upgrade your Exchange 2010 servers to SP3 you should be aware that there is an Active Directory schema update involved.

If that is a concern for your environment, but you still want the bug fixes and security updates, you might consider sticking with Service Pack 2 and applying Update Rollup 6 instead.

However for an Exchange 2010 Database Availability Group the upgrade process can be performed with no downtime following the normal process of moving active databases off DAG members while they are being updated.

You can use the standard process as demonstrated here: However, be aware that once a database has been made active on an Exchange 2010 SP3 member of the DAG, it can't be made active on a pre-SP3 DAG member again.

Update_all This is the recommended method of installation when upgrading your technology level or service pack level only.

This installation method should not be used when attempting to upgrade the version or release level of your operating system. 5300-0x to 6100-0x - do NOT use update_all 6100-0x to 7100-0x - do NOT use update_all For information on upgrading your (V)ersion or (R)elease of AIX please see this document : The back-out It is recommended to have at least one back-out method available to you in case a restore is required.

As a result, when Mailbox servers are upgraded to Exchange 2010 SP3, the databases are upgraded to the Exchange 2010 SP3 version of the database schema…

…During the upgrade, the database is dismounted, and all mailboxes in that database are taken offline.

Previous to 5300-07 updates are recognized by their last numerical level entry only. install 5.3.0.60 Beginning with 5300-07 the 3rd number, or “Maintenance Level” number will also be included and will represent the Technology level of the fileset, followed by the “Fix Level”. install 5.3.7.0 Oslevel You will also notice a change to how the operating system level reads.

(Version, Release, Maintenance Level, Fix Level) This represents your operating system level and is mentioned because of the change made in the 5300-07 technology level update.

If you have an AD forest topology with multiple domains, or process restrictions that require schema updates to be managed a certain way, you can apply the Exchange 2010 SP3 schema update on a 64-bit domain controller that is in the same AD site as the Schema Master, using an account with Schema Admins and Enterprise Admins rights.

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