Forum Discussion
M_i_g_u_e_l
Apr 23, 2026Copper Contributor
AD Replication Error 1908 (Source DSA)
Hi all, I’m troubleshooting an Active Directory replication issue (error 1908 – “Could not find the domain controller”) in a multi-site environment with 16 domain controllers across multiple locatio...
- May 22, 2026
Thank you Mister_K and Josy_O for your responses.
The root cause of the issue was not A-DC (Main-DC); it was a read-only DC that had broken DFSR/SYSVOL replication. This DC was showing 100% replication failure (6/6), but I focused on the main DC and overlooked the problematic one.
I demoted and shut it down since it was going to be replaced eventually. After that, the domain looks healthy and replication is working properly again.
M_i_g_u_e_l
Apr 23, 2026Copper Contributor
I forgot to mention that the DCs are Windows server 2022 and there are a few that are 2019