SharePoint 2007 Profile Sync Errors

My client recently migrated their SharePoint 2007 SharePoint farm into the cloud.  Their User Profile Imports were failing for all domains with this error:

spsimport://[Domain Name]
Exception from HRESULT: 0x8004400D (The attempt to discover directory
server for domain ([Domain Name]) was failed with error (0x8004400c).
Please make sure whether there is problem in network connectivity or
the domain is renamed. )

It turned out that there was a port filtering configuration between the VLANS in the virtual server environment.  Opening the ports was tricky due to Dynamic RPC.  

The ports required were TCP 445, TCP/UDP 389, TCP/UDP 88, TCP 135, TCP 139, TCP 65000, and UDP 53


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