To recreate it after you forcibly remove it follow:
To create a TAPI application directory partition
Verify that the computer is a domain controller and that the Active
Directory directory service is running.
Open Command Prompt.
At the command prompt, type:
tapicfg install /directory: PartitionName [/server:DCName] [/forcedefault]
Value Description
/directory: PartitionName
Required. Specifies the DNS name of the TAPI application directory
partition that is to be created. Note that this name must be a fully
qualified domain name.
/server: DCName
Specifies the DNS name of the domain controller on which the TAPI
application directory partition is to be created. If the domain controller
name is not specified, the name of the local computer is used.
/forcedefault
Specifies that this directory will be the default TAPI application
directory partition for the domain. There can be multiple TAPI application
directory partitions in a domain.
If this application directory partition is the first TAPI application
directory partition created on the domain, it is automatically set as the
default, regardless of whether you use the /forcedefault option.