Hi,

We have seen this post and doing research on it now, if there's any update, we'll feedback as soon as possible.

Best Regards,
Anne

Hi,

What is the system version of the ISCSI client? Let's check if there's any other version of iSCSI initiator available for the client.

Best Regards,
Anne

Hi,

Thanks for your feedback!

Since the issue is complex and it's related to important data, it's recommended to open a case with MS, so that they have more channel to access your environment to do detailed check and provide more effectient support.

Below is the link to open a case with MS:

https://support.microsoft.com/en-us/gp/customer-service-phone-numbers

Best Regards,
Anne

Hi,

I would like to check if the reply could be of help? If yes, please help accept answer, so that others meet a similar issue can find useful information quickly. If you have any other concerns or questions, please feel free to feedback.

Best Regards,
Anne

Hi,

If this is the case, this failover architecture can only provide protection on node failure, but not on network failure.

Failover cluster provides high availability for roles when the node fails. It detects that the role is failed to be online on the current node, it will failover to the other ones. If something wrong within the role, while the role still running on the current node, it will not failover.

Cluster with multiple networks, when one network is down, it will try to use the other one for client or cluster traffic, while it mainly functions on cluster level.

Best Regards,
Anne

Hi,

Thanks for your reply.

Have you run Cluster validation, if yes, what is the result in the report?

If not, please try to run Cluster validation at maintenance time, check if there are any errors.

Best Regards,
Anne

Hi，

Have you got any progress on your issue now? If yes, welcome to feedback. If you need assistance, it's recommended to open a case with MS, as the environment is complex and I can find few information via the Internet.

Below is the link to open a case with MS:

https://support.microsoft.com/en-us/gp/customer-service-phone-numbers

Thanks for your time!
Best Regards,
Anne

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Hi,

Does the snapshot created from VMWare level, or shadows created on windows volume level?

If the snapshot is created from VMWare level, it's recommended to turn to VMWare forum for better help. Since we are not familiar with VMWare products. Thanks for your understanding.

Best Regards,
Anne

Hi,

I'd like to check if the FC HBA driver installed correctly.

Best Regards,
Anne

Hi,

Thanks for your post! According to your description, the issue is related to exchange, so we add the "office-exchange-server-mailflow" tag for you. Then, this case will route to the Exchange team for better help. If there are any concerns, please feel free to let us know.

Best Regards,
Anne

Hi,

I would like to check if the reply could be of help? If yes, please help accept answer. If you need any additional assistance, please feel free to feedback.

Best Regards,
Anne

Hi,

I would like to check if the reply could be of help? If yes, please help accept answer. If you need any additional assistance, please feel free to feedback.

Best Regards,
Anne

Hi,

I would like to check if the reply could be of help? If yes, please help accept answer, so that others meet a similar issue can find useful information quickly. If you have any other concerns or questions, please feel free to feedback.

Best Regards,
Anne

Hi,

According to your description, seems the issue is related to azure-sql-database, so I add the tag for you. If there's any concerns, please feel free to let me know.

Best Regards,
Anne