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Original file line number Diff line number Diff line change
Expand Up @@ -486,6 +486,42 @@ Storage Replica does not support disks with physical sector sizes greater than 4

Please see [this document](/troubleshoot/sql/database-engine/database-file-operations/troubleshoot-os-4kb-disk-sector-size#resolutions) for more information & workarounds.

Other symptoms include:

1. Setting up Replica from Failover Cluster Manager will fail with the error below:
```Output
Failed to create replication.
ERROR CODE : 0x80131500;
NATIVE ERROR CODE : 3.
Invalid namespace
```

2. PowerShell will fail with the error below:
```Output
WARNING: Failed to issue Storage Replica cluster resource control to notify action of removing replication group <RGName>.
New-SRGroup : Unable to create replication group <RGName>, detailed reason: Failed to provision partition <PartitionID>.
(There was insufficient free space on the disk to create the Storage Replica partition database.)
```
3. Event in Microsoft-Windows-StorageReplica/Admin log
```Output
Log Name: Microsoft-Windows-StorageReplica/Admin
Source: Microsoft-Windows-StorageReplica
Event ID: 10421
Level: Error
User: SYSTEM

Description:
Filter driver attempted to configure the partition to be available for replication operations but was unable to complete the necessary steps.

DeviceName: \Device\Harddisk5\DR619
DiskReplicationState: Unmonitored
PartitionId: XXXXXXXXXXXXX
ReplicationGroupId: XXXXXXXXXXXXX
Status: Unknown NTSTATUS Error code: 0xc05300cf

Guidance: Ensure the disk is online, writeable, and is initialised with a GPT style layout.
```

## Next steps

Now you understand some of the known issues with Storage Replica in Windows Servers, here are some articles that might help you as you use it.
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