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Setting Up LAN Cache on a Domain Controller

It is not recommended to utilize a Domain Controller when setting up a LAN Cache as a domain controller uses many resources and connections that may conflict with the LAN Cache process. However, if you do choose to use a domain controller as a LAN Cache, there are a few things to aware of before setting it up:

1. You cannot assign a Lan Cache to itself. When assigning the lan cache to the server, you may get the following error:

LAN Cache functionality test results: Fail:Could not connect to LAN share folder. Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed. Disconnect all previous connections to the server or shared resource and try again.

This is due to the Windows Server Environment being unable to connect to a share with the same username. As such, Domain Controllers cannot be assigned a Lan Cache that resides on itself.

2. Some Agents fail the Lan Cache Test with the following error:

LAN Cache functionality test results: Fail:Failed to create LAN share folder. No such file or directory.

This is likely due to a permissions issue. LAN Cache creates a default User along the lines of "FSAdmin-#######", and due to the lan cache machine being a domain controller, may cause other machines to be unable to connect to the Lan Share. To circumvent this, please navigate to System> Server Management > Default Settings and select LAN Cache - Use auto-generated administrator credentials. Then click the Edit Icon and uncheck the check box in the window that pops up. Once that is done, save the settings and return to Agent > Configure Agents > LAN Cache page.

On the LAN Cache page, select the domain controller and click on the "Add LAN Cache" button. You should not have additional options when setting up the LAN Cache. It is important that you Use the Computer IP Adresss as the UNC server name resolution and use an existing domain administrator's credentials when setting it up.

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Once that is done, all agents should successfully test onto the domain controller.

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