To delegate permissions for WMI Control, run wmimgmt.msc. If you don't have a shortcut to the program, then simple click the Start Menu, and then search for the executable.

Now step through the following instructions to confirm you will have the correct permissions:
1.Right click the WMI Control icon on the left and click Properties.
2.Click the Security tab.
3.Click the Root node of the tree, and click Properties.
4.For the named user account you would like to run AppDynamics for Databases as you will need to ensure that it has the relevant permissions. The minimum permissions that your remote Windows account needs for AppDynamics for Databases are:

*Execute Methods
*Enable Account
*Remote Enable

If you miss any one of the three then you end up with one of:

Error=800706BA The RPC server is unavailable. SWbemLocator

or

Error=80070005 Access is denied. SWbemLocator