To fix Requested registry access is not allowed error in webservice or website you need to know name of the event log and here is how
to grant access:
Grant permission
to create a custom event log
- Log on to the computer as an administrator.
- Click Start, click Run, type regedit in the Open box, and then click OK. The Registry Editor window appears.
- Locate the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog
- Right-click Eventlog, and then click Permissions. The Permissions for Eventlog dialog box appears.
- Click Advanced. The Advanced Security Settings for Eventlog dialog box appears.
- In the Name column, double-click the Users group. The Permission Entry for Eventlog dialog box appears.
- Select the Set Value check box, select the Create Subkey check box, and then click OK.
- Quit Registry Editor, and then log off from the administrator account.