App Control: Not able to create an Indicator Set Exception

[#1]

Environment

• App Control Console: 8.5 and above

Symptoms

• Not able to add Indicator set exception because of the error:

  Database error creating Exception

Cause

• An error handling null values in public variables for file C:\Program Files (x86)\Bit9\\Parity Console\WebUI\include\DataObjects\Rules.php

Resolution

1. Logon into the app control server
2. If you have an App control Agent installed in the end point please follow the below steps otherwise skip to the next step :
   1. Open CMD as admin
   2. Execute the following commands to stop the App Control Agent:

cd "C:\Program Files (x86)\Bit9\Parity Agent"
dascli password <your CLI or global password without the quotes>
dascli tamperprotect 0
net stop parity
fltmc unload paritydriver

3. Stop the app control server and reporter services
   1. In Windows search for Services.msc and open it. 
   2. Look for the service Carbon Black App Control Reporter. 
   3. Do right click on it and select Stop. 
   4. Look for the service Carbon Black App Control Server.
   5. Do right click on it and select Stop. 
4. Create a backup of C:\Program Files (x86)\Bit9\Parity Console\WebUI\include\DataObjects\Rules.php
5. Open the file C:\Program Files (x86)\Bit9\Parity Console\WebUI\include\DataObjects\Rules.php and replace the value of line 219

   $this->restrict_access,

   with the following entry:

   $this->restrict_access ?: 0,

6. Save the change.
7. Open a CMD as admin an execute the below command

IISReset

8. Start the App Control Server and Reporter services
   1. In Windows search for Services.msc and open it. 
   2. Look for the service Carbon Black App Control Reporter. 
   3. Do right click on it and select Start. 
   4. Look for the service Carbon Black App Control Server.
   5. Do right click on it and select Start. 
9. If you have an App Control Agent installed , follow the below steps
   1. Open CMD as admin
   2. execute the below commands

fltmc load paritydriver
net start parity

Additional Notes

The issue is being track under the defect EP-12718 and the fix will be deliver in App Control Server 8.7.0.