Hello everyone I am researching on to switch from MS to Linux Server, but not sure about Group-policy in linux and couldn't find while researching. Actually We have three Microsoft servers with roles
ADDS
DHCP
DNS
Group-policy
And Back-up
and we want to shift it to linux environment. Can any one please give suggestion which distro to use?

As far as I know, there isn't a straight-up Active Directory plugin for Linux, but there are ways to make it happen.

Here's an article on Samba and Active Directory on Linux from the Arch wiki. It should be a good starting place for y
our research:

https://wiki.archlinux.org/index.php...ain_controller

You may also wish to take a look at LDAP. Here's an introduction: https://www.howtoforge.com/linux_ldap_authentication

A web search for "active directory linux server" will turn up lots more.

(Full disclosure: I am not a sysadmin, I just read a lot.)

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If you're using Active Directory and policies for users with Windows workstations then I'd strongly suggest you retain the Microsoft implementation. I've been in a couple of places that tried to move to LDAP/Samba 4 for these things. Samba 4 did work not too badly but there were always ongoing issues with synchronization between servers.

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Agreed with both frankbell and tentenths.

Active Directory will be the biggest headache. The rest of the services can be easily migrated, including file sharing, but AD (as an authentication engine) will be the problem. As frankbell said, LDAP would be the best way to go...BUT....that depends on what you're using AD for. Using it for deploying software, printers, etc., and you're far better off leaving the current AD services on an MS Server.

If all you're really after is user/group permissions to network drives/resources, then LDAP would be a great way to go. Depends on what your real needs are.