Event ID - 8290

Event Id8290
DescriptionThe ADC cannot replicate <object name>. The site that the object belongs in is read only on the connected Exchange 5.5 Server. If another connection agreement can replicate this objectto a 5.5 server in the correct site, then ignore this message.<connection agreement name>
Event InformationAccording to Microsoft:
This event indicates that the Active Directory Connector (ADC) is unable to replicate the named object because the target Exchange 5.5 Server specified in the connection agreement properties considers the SITE (that this object belongs to) to be READ ONLY. In other words, when you look at the properties of the connection agreement (the name of which will also be mentioned in the DESCRIPTION section of this event), the Exchange Server specified therein does not have rights to WRITE TO the directory of the target SITE, because the target site is considered READ ONLY.
If there is another connection agreement that can replicate this object, then you can ignore this message. However, if there is no other connection agreement that can replicate this particular object, you will have to examine your connection agreement structure and redefine existing connection agreement(s), or create new connection agreements, so that the target Exchange 5.5 Server (or SRS Server) specified is one that has rights to WRITE TO the destination SITE.
Reference LinksExchange (MSExchangeADDXA)

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