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In RAC - Remote computers are not discovered in specific domain

Few remote computers are not discovered in the RAC from specific domain, how do we get those servers. 


Best Answer

1. Please make sure the RAC software is launched with “Run as administrator” option.

2. Please make sure “Computer Browser” windows service is running on remote computers.

3. Please make sure “Server” windows service is running on remote computers.

4. We have to connect to the target domain to discover remote computers. Please use “Change Logon Account” option to give the right credentials for connecting to the target domain.

5. Please make sure the inbound rule is enabled for “Network Discovery” under windows firewall on remote computers. Please see this link for enabling “Network Discovery” via GPO (http://www.technig.com/enable-network-discovery-via-group-policy/)

6. In the case of other firewalls or in connectivity path, you need to open the following ports to allow incoming network discovery traffic

           a) UDP 3702, 137, 138, 1900

           b) TCP 5357, 5358, 445, 2869, 139

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Answer

1. Please make sure the RAC software is launched with “Run as administrator” option.

2. Please make sure “Computer Browser” windows service is running on remote computers.

3. Please make sure “Server” windows service is running on remote computers.

4. We have to connect to the target domain to discover remote computers. Please use “Change Logon Account” option to give the right credentials for connecting to the target domain.

5. Please make sure the inbound rule is enabled for “Network Discovery” under windows firewall on remote computers. Please see this link for enabling “Network Discovery” via GPO (http://www.technig.com/enable-network-discovery-via-group-policy/)

6. In the case of other firewalls or in connectivity path, you need to open the following ports to allow incoming network discovery traffic

           a) UDP 3702, 137, 138, 1900

           b) TCP 5357, 5358, 445, 2869, 139

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