Try some data store maintenance: - Rebuild local host caches - Use DSCHECK - Use DSVERIFY Might help to do some IMA troubleshooting (CTXTRACE or manually), look at event logs, etc. The Advanced Concepts guide has some info about troubleshooting IMA. An example: Examine the following registry setting: HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\IMA\Runtime\CurrentlyLoadingPlugin . If the value is blank, the IMA Service could not connect to the data store or the local host cache is missing or corrupt. . If a value exists, the IMA Service made a connection to the data store. The value displayed is the name of the subsystem that failed to load. For additional information about subsystem troubleshooting, see "IMA Service Logging" on page 300. Hope that helps. JD _____ From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Schneider, Chad M Sent: Thursday, 28 October 2004 7:42 p.m. To: 'thin@xxxxxxxxxxxxx' Subject: [THIN] Hoping someone is awake and can help! WIN2K SP4 60 servers Citrix Xpe SP3/FR3 3 zones (physical) each with their own ZDC. 1 in Oshkosh, WI (46 servers)(Data store (SQL)) 1 in New London, WI (12 servers) 1 In Terre Haute, IN (2 servers) New London zone has begun to experience troubles where...users connect to Citrix published app., but the app. Never opens, but shows open in Connection Center on client. Through CMC, server shows no client connections. Remote the server, reboot, shows closing out 35 users currently connected. Cancel, attempt to restart IMA, hangs on stopping. Reboot of the servers takes FOREVER, I believe it is trying to shut down the IMA. Remoting one server now, restart IMA, hung at stopping for over an hour now. Connection between NL zone and Oshkosh (Data Store) is DS3. Any idea what might be happening? I would be glad to give more info., not thinking real straight, been at this since 4AM. Thanks in advance, Chad