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Fixed "Error: Entra ID Replication Always Runs from Scratch Due to Domain Case Sensitivity" #282

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Merged
merged 2 commits into from
Oct 16, 2025
Merged

Fixed "Error: Entra ID Replication Always Runs from Scratch Due to Domain Case Sensitivity" #282

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64eae05
Fixed "Error: Entra ID Replication Always Runs from Scratch Due to Do…
jake-mahon-netwrix Oct 16, 2025
1e9a6f9
Merge branch 'dev' into kb/fix-kA0Qk000000312nKAA
jake-mahon-netwrix Oct 16, 2025
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10 changes: 5 additions & 5 deletions ...entra_id_replication_always_runs_from_scratch_due_to_domain_case_sensitivity.md
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Expand Up @@ -61,14 +61,14 @@ Because the check is case-sensitive, the system fails to find the existing times
WHERE isr.IdentityStoreId = <IdentityStoreId>;
```

If you see `Domain.org` (lowercase "d"), this confirms the mismatch.
If you see the domain in all lowercase letters (e.g., `domain.org`), this confirms the mismatch.

If the domain already matches the correct casing (`Domain.org`), no change is needed.
If the domain already matches the correct title case (e.g., `Domain.org`), no change is needed.

3. Backup the table (precaution):

```sql
SELECT *
SELECT *
INTO dbo.IdentityStoreReplication_Backup_<yyyymmdd>
FROM SVC.IdentityStoreReplication
WHERE IdentityStoreId = <IdentityStoreId>;
Expand All @@ -83,7 +83,7 @@ Because the check is case-sensitive, the system fails to find the existing times
AND Domain = 'domain.org';
```

5. Re-run the verification query from Step 2. The domain should now be stored as `Domain.org`.
5. Re-run the verification query from Step 2. The domain should now be stored in the proper case (e.g., `Domain.org`).

6. On the next replication cycle, confirm in the logs:

Expand All @@ -99,4 +99,4 @@ Because the check is case-sensitive, the system fails to find the existing times
## Additional Notes

- This issue is environment-specific and not widespread.
- If Directory Manager 11 Entra ID replication always runs from scratch, check the domain casing in **SVC.IdentityStoreReplication**. Correcting a single character in the domain field (lowercase “d” → uppercase “D”) restores delta replication and reduces runtime from hours to minutes.
- If Directory Manager 11 Entra ID replication always runs from scratch, check the domain casing in **SVC.IdentityStoreReplication**. Correcting a single character in the domain field (lowercase “d” → uppercase “D”) restores delta replication and reduces runtime from hours to minutes.
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