I think this error occurs when we try to execute sp_reserve_http_namespace SP from a account that is in different domain and machine is in different domain. When machine and service...

1. Under the register key:

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSSQLSERVER$INSTANCE\] if you see [Performance] folder delete that folder. Most probably you won't see that folder.

2. Create a new key by name [Performance]

3. Copy the...