When adding users to a shared mailbox by modifying the attribute "edsva-MsExch-SharedMailboxUsers" through the SPML interface the following error may be displayed:
“Administrative Policy returned an error. SIDs with revision other than '1' are not supported. Parameter name: binaryForm”
This is a product defect (TF00596274).
This Product Defect (TF00596274) has been fixed in the latest available maintenance release, you can get more information from its ReleaseNotes:
Active Roles 7.0.3 - Release Notes