exception polling MD+ status. Increasing polling interval. error: java.net.ConnectException
java.net.ConnectException
    at java.net.http/jdk.internal.net.http.HttpClientImpl.send(Unknown Source)
    at java.net.http/jdk.internal.net.http.HttpClientFacade.send(Unknown Source)
    at com.moneydance.apps.md.controller.MDPlus$MDPlusLicense.refreshStatusNow(MDPlus.java:590)
    at com.moneydance.apps.md.view.gui.MDPlusController.asyncPoller(MDPlusController.java:143)
    at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.net.ConnectException
    at java.net.http/jdk.internal.net.http.common.Utils.toConnectException(Unknown Source)
    at java.net.http/jdk.internal.net.http.PlainHttpConnection.connectAsync(Unknown Source)
    at java.net.http/jdk.internal.net.http.PlainHttpConnection.checkRetryConnect(Unknown Source)
    at java.net.http/jdk.internal.net.http.PlainHttpConnection.lambda$connectAsync$1(Unknown Source)
    at java.base/java.util.concurrent.CompletableFuture.uniHandle(Unknown Source)
    at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(Unknown Source)
    at java.base/java.util.concurrent.CompletableFuture.postComplete(Unknown Source)
    at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(Unknown Source)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    ... 1 more
Caused by: java.nio.channels.ClosedChannelException
    at java.base/sun.nio.ch.SocketChannelImpl.ensureOpen(Unknown Source)
    at java.base/sun.nio.ch.SocketChannelImpl.beginConnect(Unknown Source)
    at java.base/sun.nio.ch.SocketChannelImpl.connect(Unknown Source)
    at java.net.http/jdk.internal.net.http.PlainHttpConnection.lambda$connectAsync$0(Unknown Source)
    at java.base/java.security.AccessController.doPrivileged(Unknown Source)
    ... 10 more

Is one of the IK or Plaid servers down?