However, if you have more than one KMS host (the usual case), the other hosts will be unable to update the SRV resource record unless SRV default permissions are changed. The default behavior is to allow a computer to create an SRV resource record and then update it. If you are using only one KMS host, you might not need to configure permissions in DNS. Change the Default DNS Permissions for SRV Records To manually add SRV resource records for KMS hosts, see the sections “Manually Create SRV Records in DNS,” “Manually Create SRV Records in a BIND 8.2 or Higher DNS Server,” and “Disable Publishing of KMS SRV Records to DNS.”ĭNS changes might not be reflected until all DNS servers have been replicated. To enable KMS clients using different DNS servers to find KMS hosts, see the section “Publish to Multiple DNS Domains.”

If more than one KMS host is used, see the section “Change the Default DNS Permissions for SRV Records.” The following sections describe concepts for configuring DNS to work with Volume Activation: The remainder of this section describes the following key tasks: IT pros modify the registry at their own risk. Microsoft cannot guarantee that these problems can be resolved. Problems can occur if the registry is modified incorrectly by using Registry Editor or another method, and these problems might require reinstalling the operating system. Some procedures in this section require changing the registry.

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