A method for the access management of a wind turbine controller of a wind turbine with an operating software , comprising the following steps: - Receiving a user identification with one of several user interfaces , - Assigning the user identification or a portion of the user identification to an access group , wherein one or several authorization groups of an overall number of authorization groups is allocated to the access group , and wherein one or several output value storage locations and/or input value storage locations are allocated to each authorization group , - Allowing an access from the user interface to all output value storage locations and/or input value storage locations that are allocated to the assigned access group via the authorization groups , wherein a localization identifier is received with the user identification , wherein the localization identifier indicates at least whether the user identification was received from a user interface lying within the wind turbine or from a user interface of a remote computer via a wind turbine interface and a received user identification is allocated to one of several different access groups as a function of the localization identifier received along with it and/or the operating software can assign an active status , wherein the active status can only be assigned at any point in time for a single user interface of the several user interfaces , and access via a user interface (14a,1 4b) to an input value storage location is only permitted if the operating software of the user interface has assigned the active status , in particular after the active status was previously requested via the user interface . - Receiving a user identification with one of several user interfaces , - Assigning the user identification or a portion of the user identification to an access group , wherein one or several authorization groups of an overall number of authorization groups is allocated to the access group , and wherein one or several output value storage locations and/or input value storage locations are allocated to each authorization group , - Allowing an access from the user interface to all output value storage locations and/or input value storage locations that are allocated to the assigned access group via the authorization groups , wherein a localization identifier is received with the user identification , wherein the localization identifier indicates at least whether the user identification was received from a user interface lying within the wind turbine or from a user interface of a remote computer via a wind turbine interface and a received user identification is allocated to one of several different access groups as a function of the localization identifier received along with it and/or the operating software can assign an active status , wherein the active status can only be assigned at any point in time for a single user interface of the several user interfaces , and access via a user interface (14a,1 4b) to an input value storage location is only permitted if the operating software of the user interface has assigned the active status , in particular after the active status was previously requested via the user interface . <EOS>