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ACM UI shows DPC local user out of sync. Syncing password does not resolve this issue. In the ACM server.log, you see the following errors: 2026-03-26 15:00:06,454 INFO [Thread-291]-dpcadapter.DPCUtil: Making REST GET call :https://10.10.10.10/elg/manage/info 2026-03-26 15:00:06,464 INFO [Thread-291]-dao.ComponentCredentialsDAOImpl: Retrieving component credentials from file /usr/local/dataprotection/var/configmgr/server_data/config/componentCredentials.xml 2026-03-26 15:00:06,512 INFO [Thread-291]-dao.ComponentCredentialsDAOImpl: Successfully retrieved component credentials 2026-03-26 15:00:06,523 INFO [Thread-291]-util.RestUtil: Making REST call: https://10.10.10.10/elg/manage/info ,method: GET Meditype application/json 2026-03-26 15:00:06,549 ERROR [Thread-291]-util.RestUtil: Error occured while executing REST request. due to java.net.SocketException: Unexpected end of file from server 2026-03-26 15:00:06,549 ERROR [Thread-291]-dpcadapter.DPCUtil: getDPCVersion --> Unable to execute request on DPC. Exception: com.emc.vcedpa.common.exception.ApplianceException: REST API execution failed.Not return expected response status. at com.emc.vcedpa.common.util.RestUtil.executeRestAPI(RestUtil.java:173) ~[vcedpa-common-2.7.9.jar:?] at com.emc.vcedpa.common.util.RestUtil.executeRequest(RestUtil.java:129) ~[vcedpa-common-2.7.9.jar:?] at com.emc.vcedpa.common.util.RestUtil.executeRequest(RestUtil.java:90) ~[vcedpa-common-2.7.9.jar:?] at com.emc.vcedpa.dpcadapter.DPCUtil.getDPCVersion(DPCUtil.java:278) [vcedpa-dpcadapter-2.7.9.jar:?] at com.emc.vcedpa.dashboard.DataprotectionCentralDashboard.loadDataprotectionCentralDashboardResponse(DataprotectionCentralDashboard.java:256) [vcedpa-dashboard-2.7.9.jar:?] at com.emc.vcedpa.dashboard.DashboardResponse.loadDataprotectionCentralDashboardResponse(DashboardResponse.java:778) [vcedpa-dashboard-2.7.9.jar:?] at com.emc.vcedpa.configure.DashboardInfoLoader$7.run(DashboardInfoLoader.java:168) [vcedpa-configure-2.7.9.jar:?] at java.lang.Thread.run(Thread.java:750) [?:1.8.0_361] Caused by: javax.ws.rs.ProcessingException: java.net.SocketException: Unexpected end of file from server Notice that the REST call is to an IP address and not the FQDN.
DCP 19.7 and above require FQDN in the URL or it fails to connect. As this is using IP and not FQDN, this connection is refused by DPC.
ACM does reverse lookup on the IP to get the FQDN for this call, if reverse lookup fails it runs with the IP address. Check nslookup for the IP address, if it does not resolve to the FQDN, this is what is causing this failure. To resolve this issue, do one of the following: Fix reverse DNS resolution. This is required for IDPA.Added DPC to /etc/hosts file for resolution. This is a workaround, item 1 should be done for a long-term fix. Sync the password in the ACM UI.
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