Hi,
I'm also suffering from the same message with SRM 6.1, using VR.
While testing a recovery plan I got the same error.
I checked these ones.
TOO MANY KNOWN ISSUES WITH SRM 5.1! | RJ Approves This Message!
SRM and the planned migrations…..
http://kb.vmware.com/kb/2079084
http://kb.vmware.com/kb/2074490
http://pubs.vmware.com/srm-61/topic/com.vmware.ICbase/PDF/srm-admin-6-1.pdf
- Troubleshooting Site Recovery Manager
"Recovery Fails with Unavailable Host and Datastore Error"
Have you tried force recovery? In my case, this error started after force recovery.
Although reprotection and replication to the opposite direction are succeeded...