To check for out-of-use InTrust servers:
1. Use the SQL Server management tool to open the ADCServer table in the InTrust configuration database.
2. Review the values in the LastServerPing and Status fields to identify InTrust servers that are not in use any more.
When you have determined which servers are not in use any more, uninstall InTrust Server from those computers using the Add or Remove Programs facility.
If this fails for some reason (for example, due to a corrupted InTrust Server installation), use the adcremoveserver.exe command-line utility to clear all configuration data for the out-of-use servers. For that, run the adcremoveserver.exe utility on an InTrust server different from the ones you are going to remove. The utility is located in the <InTrust installation folder>\ADC\SupportTools folder.
The syntax is as follows:
adcremoveserver.exe <server_name>