Windows error 7045 (ERROR_CTX_WINSTATION_ACCESS

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: Access to the requested Remote Desktop session was denied.

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ERROR_CTX_SHADOW_DENIED	ERROR_CTX_INVALID_WD

ERROR_CTX_WINSTATION_ACCESS_DENIED

ERROR_CTX_WINSTATION_ACCESS_DENIED means the caller is not authorized to access or manage the requested session. This can be caused by session ACLs, local group membership, user-right assignments, or a policy that overrides local configuration.

What to check

Determine whether the error affects one account or every administrator; that distinction helps separate account permissions from host configuration.
Verify effective Remote Desktop user rights and any explicit deny rules.
Test with an authorized administrative account before changing RDS listener or licensing settings.

whoami /groups
gpresult /h C:\Temp\rds-policy.html

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