Your network contains two servers named Server1 and Server2 that run Windows Server 2008 R2.From Server1, you create a collector-initiated subscription that uses Server2 as a source computer.You verify the event subscription and discover the error message shown in the exhibit. (Click the Exhibit button.) You need to ensure that the subscription collection runs successfully. What should you do？（）

A. On Server1, run winrm quickconfig.
B. On Server2, run winrm quickconfig.
C. From the properties of the subscription, modify the User Account options.
D. From the properties of the subscription, modify the Protocol and Port options.