Acessar o regedit como administrador:
![](https://9101023186812963616-a-viniciush-com-s-sites.googlegroups.com/a/viniciush.com/vinicius-hoerlle/windows-7/adicionar-windows-7-no-dominio-ldap/Regedit1.jpg?attachauth=ANoY7cqiZgXff_dD3kJQKd32ng-A4jjpgYavYvUA_yn65vcveGEx2fSvVS6iN_y2_Tv-soYPfmllHLN3ekd40cQh1P48dXeZ1GHVt4fXqprzPUMuv26IAfSgftuCwgMHCWKwi5dPDdBiszyI9_kN2TT1xGEQKG89hXx-2QDrtkf1xlAe-qvHAb_F7RauU-8FHhX9niQRnt27UVoxPohsJoqbPHuZxLsn-uLph6DsFYUvJn0UKizeNXmJCXefpkf5JC8SoI2dnC9qKg7ZOQ-9BiFfwY09nmuZqw%3D%3D&attredirects=0)
Navegar até a chave: HKLM\System\CCS\Services\LanmanWorkstation\Parameters
![](https://9101023186812963616-a-viniciush-com-s-sites.googlegroups.com/a/viniciush.com/vinicius-hoerlle/windows-7/adicionar-windows-7-no-dominio-ldap/Regedit2.jpg?attachauth=ANoY7cr5Eh2LN9DKxnWIyEhopl3_4M2Ht1CM-08QzifWPQgPQ9TtDauUoQiCDSAbA9ZI08_gddBXDPzQr3FKRgT_jfYadjVVZVbknqJodMdx2gN24cUKP1fxLmMYXAcHBxjH1J2XDa8BrB4Px7xX-QzTxcTbpXN9TEMk_2aTfTvbr0FVMQ2nF4W8zCcOfw6TYHo-pdAVNo3GnolbkE3k7E8cBr9wbhuvJy0DaTjF_mgNCoNk3dg3pFNqDxDbxCgnA7KgXclO7MOV129z9lZQcVNvJheJFuO0fQ%3D%3D&attredirects=0)
Clicar com o direito, Novo > Dword32 para criar as chaves conforme descrição abaixo:
Obs: Independente se for Windows 32Bits ou 64Bits, a chave será do tipo DWORD32.
DomainCompatibilityMode = 1
DNSNameResolutionRequired = 0
RequireSignOrSeal = 0
![](https://sites.google.com/a/viniciush.com/vinicius-hoerlle/_/rsrc/1331078496672/windows-7/adicionar-windows-7-no-dominio-ldap/Regedit3.jpg)
Após esse procedimento, reinicie o computador e tente ingressá-lo no domínio.
Pode acontecer de na primeira tentativa ele ainda retornar uma mensagem de erro, tente novamente que funciona. ;)