Exchange SP1 Deployment Series 10: Configuration Database High Availability dag

The Exchange Trusted subsystem is added to the Administrators group first, because the domain controller is not in the Exchnge trusted subsystem, so we put Exchange Trusted on the domain subsystem joins the Administrators group. We could have no need to add the Exchange Trusted Subsystem group to the Adminsitrators group because the CAS server belongs to the Exchange Trusted subsystem group by default, and we create a new database availability group that fills in the DAG name , witness server, and the witness server is generally configured on CAs, or your other servers such as domain controllers, this case witness directory is built on the primary domain controller RobinDC01, the benefit is that CAS shut down will not affect the witness server

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On the new Database Availability Group page, complete the database availability group name, witness server, database availability group IP address, and click Save;

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Here needs to vomit trough, has done several experiments and the project, here all cannot pass smoothly, heard is Microsoft Exchange SP1 a bug, in the previous step generated in the witness directory, You need to remove the DAG01.corp.robin.com path name and then cancel the dagfilesharewitnesses default share in C \ Manually create a DAG01.corp.robin.com folder under the Dagfilesharewitnesse directory, and then simply share this folder as follows:

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Add Database Availability Group member MBX01,MBX02

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There will be a save incomplete error prompt here, but we can see that two records were created on the DC, a computer was registered and a DNS record was added

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Share the shared directory you just created to DAG01, such as

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Reconfigure to save the configuration you just made

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Can see still a bit of warning, can be ignored here, can also be set by the prompt command

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Click + Add copy Subnet

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Click Save to see that there are already two networks

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Below we disable the "Enable Replication" option for the MAPI network

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Back to the witness list, you can see that the system information was written

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Here, the High Availability group DAG is created, and the next article begins with the addition of the database copy

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Exchange SP1 Deployment Series 10: Configuration Database High Availability dag