Hi,
We will be moving some VMs hosting our DMS to another domain and have some questions around this.

Current State

• DataMiner application is configured with LDAP for nbnco domain & all the service accounts are nbnco\<service_account>
• Windows OS on Dataminer VM is integrated with nbndc domain
• MSSQL Database on each DataMiner VM is using Windows Authentication & have nbndc\<service_account> configured for SQL Server Agent & SQL server Database Engine

AD & LDAP Migration

• DataMiner application will be configured with LDAP for nbnan domain
• DataMiner VM will be moved to nbnrs domain

Queries

Considering the above we are trying to develop smooth migration strategy with minimum downtime & in the process have below queries

1. What should be the process to change service account in MSSQL, will it disrupt the connectivity (restart required?) with DataMiner
2. Do we need to update MSSQL service account in each DataMiner server (active & standby within a team)?
3. Is there any corresponding change in DataMiner application after changing service account in MSSQL Database?
4. Can  we migrate MSSQL & DataMiner application independent of each other?
5. Can we make above changes in each team independently?
6. Does LDAP config update requires DataMiner restart?
7. How will it impact the whole cluster if one team is updated with new LDAP & MSSQL service account but remaining teams are still on the old LDAP & MSSQL service account? (Like accessing all elements from any DataMiner, Alarms etc.)

   Thanks!