Today I had to remove an outdated alterante FileShareWitness entry from a customers’ DAG.
Within the Exchange Management Console it’s not possible to remove but only to replace the alternate FSW – the alternate FSW must not be empty.
The solution for this problem is using ADSIEdit to remove the alternate FSW entry:
Navigate to this path:
CN=Configuration,DC=DOMAIN,DC=LOCAL
CN=Services
CN=Microsoft Exchange
CN=EXCHANGE_ORG
CN=Administrative Groups
CN=Exchange Administrative Group (FYDIBOHF23SPDLT)
CN=Database Availability Groups
CN=YOUR-DAG-NAME -> Right click properties
Klick “Modify” and than hit “Delete” for the follwoing attributes:
msExchAlternateFileShareWitness
msExchAlternateFileShareWitnessDirectory
Cheers,
Chris
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